diff --git a/RinneElu_RVCfree/RinneElu1_100ep.pth b/RinneElu_RVCfree/RinneElu1_100ep.pth new file mode 100644 index 0000000000000000000000000000000000000000..dbaf992821f896ccf3dfcd5c7b374839671f439c --- /dev/null +++ b/RinneElu_RVCfree/RinneElu1_100ep.pth @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:8356b42c98e0dbe6522e3cbbfa8ce2dedc69da9aaae6856ff8fdc43255f6cd92 +size 57578929 diff --git a/RinneElu_TTSeng/RinEluEng.safetensors b/RinneElu_TTSeng/RinEluEng.safetensors new file mode 100644 index 0000000000000000000000000000000000000000..2b0a9eb397d59d362f92f40024d9da6e6f12c456 --- /dev/null +++ b/RinneElu_TTSeng/RinEluEng.safetensors @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:26d2dbc00e096847b641b3a3d435cb5a1a8d12773250816602b1c86f5e44e827 +size 198768188 diff --git a/RinneElu_TTSeng/config.json b/RinneElu_TTSeng/config.json new file mode 100644 index 0000000000000000000000000000000000000000..ee5bf3f05ac516eee7663df3959518446573a7ce --- /dev/null +++ b/RinneElu_TTSeng/config.json @@ -0,0 +1,107 @@ +{ + "model_name": "RinEluEng", + "train": { + "log_interval": 200, + "eval_interval": 1000, + "seed": 42, + "epochs": 100, + "learning_rate": 0.0002, + "betas": [ + 0.8, + 0.99 + ], + "eps": 1e-09, + "batch_size": 4, + "bf16_run": false, + "lr_decay": 0.99995, + "segment_size": 16384, + "init_lr_ratio": 1, + "warmup_epochs": 0, + "c_mel": 45, + "c_kl": 1.0, + "skip_optimizer": false, + "freeze_ZH_bert": false, + "freeze_JP_bert": false, + "freeze_EN_bert": false, + "freeze_style": false, + "freeze_encoder": false, + "freeze_decoder": false + }, + "data": { + "training_files": "Data/RinEluGrobal/train.list", + "validation_files": "Data/RinEluGrobal/val.list", + "max_wav_value": 32768.0, + "sampling_rate": 44100, + "filter_length": 2048, + "hop_length": 512, + "win_length": 2048, + "n_mel_channels": 128, + "mel_fmin": 0.0, + "mel_fmax": null, + "add_blank": true, + "n_speakers": 1, + "cleaned_text": true, + "num_styles": 1, + "style2id": { + "Neutral": 0 + }, + "spk2id": { + "RinEluGrobal": 0 + } + }, + "model": { + "use_spk_conditioned_encoder": true, + "use_noise_scaled_mas": true, + "use_mel_posterior_encoder": false, + "use_duration_discriminator": true, + "inter_channels": 192, + "hidden_channels": 192, + "filter_channels": 768, + "n_heads": 2, + "n_layers": 6, + "kernel_size": 3, + "p_dropout": 0.1, + "resblock": "1", + "resblock_kernel_sizes": [ + 3, + 7, + 11 + ], + "resblock_dilation_sizes": [ + [ + 1, + 3, + 5 + ], + [ + 1, + 3, + 5 + ], + [ + 1, + 3, + 5 + ] + ], + "upsample_rates": [ + 8, + 8, + 2, + 2, + 2 + ], + "upsample_initial_channel": 512, + "upsample_kernel_sizes": [ + 16, + 16, + 8, + 2, + 2 + ], + "n_layers_q": 3, + "use_spectral_norm": false, + "gin_channels": 256 + }, + "version": "2.3.1" +} \ No newline at end of file diff --git a/RinneElu_TTSeng/style_vectors.npy b/RinneElu_TTSeng/style_vectors.npy new file mode 100644 index 0000000000000000000000000000000000000000..de2ff0cf14e7cc99bd78a6c13f8792f0403855a7 --- /dev/null +++ b/RinneElu_TTSeng/style_vectors.npy @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:1b44d17806f96fd790e7b18066339cf0d2db5b6f268566d9edce684081ab297d +size 1152 diff --git a/RinneElu_TTSfree/RinneElu_s05000.safetensors b/RinneElu_TTSfree/RinneElu_s05000.safetensors new file mode 100644 index 0000000000000000000000000000000000000000..5dd38c0f2e85d06abdc6a656ef95773d38e20866 --- /dev/null +++ b/RinneElu_TTSfree/RinneElu_s05000.safetensors @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:b2a2bd121ba3e01006ddeaba66c9230fb28a63ef891f5209faf7be5fb35eebb7 +size 251150980 diff --git a/RinneElu_TTSfree/config.json b/RinneElu_TTSfree/config.json new file mode 100644 index 0000000000000000000000000000000000000000..894756bf75724c8f871077dc448c7c61b1bdad64 --- /dev/null +++ b/RinneElu_TTSfree/config.json @@ -0,0 +1,121 @@ +{ + "train": { + "log_interval": 200, + "eval_interval": 1000, + "seed": 42, + "epochs": 300, + "learning_rate": 0.0001, + "betas": [ + 0.8, + 0.99 + ], + "eps": 1e-09, + "batch_size": 4, + "bf16_run": true, + "fp16_run": false, + "lr_decay": 0.99996, + "segment_size": 16384, + "init_lr_ratio": 1, + "warmup_epochs": 0, + "c_mel": 45, + "c_kl": 1.0, + "c_commit": 100, + "skip_optimizer": true, + "freeze_ZH_bert": false, + "freeze_JP_bert": false, + "freeze_EN_bert": false, + "freeze_emo": false, + "freeze_style": false + }, + "data": { + "use_jp_extra": true, + "training_files": "Data/RinneElu/train.list", + "validation_files": "Data/RinneElu/val.list", + "max_wav_value": 32768.0, + "sampling_rate": 44100, + "filter_length": 2048, + "hop_length": 512, + "win_length": 2048, + "n_mel_channels": 128, + "mel_fmin": 0.0, + "mel_fmax": null, + "add_blank": true, + "n_speakers": 1, + "cleaned_text": true, + "spk2id": { + "RinneElu": 0 + }, + "num_styles": 5, + "style2id": { + "Neutral": 0, + "Angry": 1, + "Fear": 2, + "Happy": 3, + "Sad": 4 + } + }, + "model": { + "use_spk_conditioned_encoder": true, + "use_noise_scaled_mas": true, + "use_mel_posterior_encoder": false, + "use_duration_discriminator": false, + "use_wavlm_discriminator": true, + "inter_channels": 192, + "hidden_channels": 192, + "filter_channels": 768, + "n_heads": 2, + "n_layers": 6, + "kernel_size": 3, + "p_dropout": 0.1, + "resblock": "1", + "resblock_kernel_sizes": [ + 3, + 7, + 11 + ], + "resblock_dilation_sizes": [ + [ + 1, + 3, + 5 + ], + [ + 1, + 3, + 5 + ], + [ + 1, + 3, + 5 + ] + ], + "upsample_rates": [ + 8, + 8, + 2, + 2, + 2 + ], + "upsample_initial_channel": 512, + "upsample_kernel_sizes": [ + 16, + 16, + 8, + 2, + 2 + ], + "n_layers_q": 3, + "use_spectral_norm": false, + "gin_channels": 512, + "slm": { + "model": "./slm/wavlm-base-plus", + "sr": 16000, + "hidden": 768, + "nlayers": 13, + "initial_channel": 64 + } + }, + "version": "2.0-JP-Extra", + "model_name": "RinneElu" +} \ No newline at end of file diff --git a/RinneElu_TTSfree/style_vectors.npy b/RinneElu_TTSfree/style_vectors.npy new file mode 100644 index 0000000000000000000000000000000000000000..4d0824910b422dae57a7a570f10ae7d6baf2aa42 --- /dev/null +++ b/RinneElu_TTSfree/style_vectors.npy @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:b5ee09560ae39c8594bd0391c61d24e13221fdcc529fca725f03805677997685 +size 5248 diff --git a/beatrice_v2/output/__main__.py b/beatrice_v2/output/__main__.py new file mode 100644 index 0000000000000000000000000000000000000000..ac1c03c34e944856006488d5c63d3d1f74cf317b --- /dev/null +++ b/beatrice_v2/output/__main__.py @@ -0,0 +1,3787 @@ +# %% [markdown] +# ## Settings + +# %% +import argparse +import gc +import json +import math +import os +import shutil +import warnings +from collections import defaultdict +from contextlib import nullcontext +from copy import deepcopy +from fractions import Fraction +from functools import partial +from pathlib import Path +from pprint import pprint +from random import Random +from typing import BinaryIO, Literal, Optional, Union + +import numpy as np +import pyworld +import torch +import torch.nn as nn +import torchaudio +from torch.nn import functional as F +from torch.nn.utils import remove_weight_norm, weight_norm +from torch.utils.tensorboard import SummaryWriter +from tqdm.auto import tqdm + +assert "soundfile" in torchaudio.list_audio_backends() +if not hasattr(torch.amp, "GradScaler"): + + class GradScaler(torch.cuda.amp.GradScaler): + def __init__(self, _, *args, **kwargs): + super().__init__(*args, **kwargs) + + torch.amp.GradScaler = GradScaler + + +# モジュールのバージョンではない +PARAPHERNALIA_VERSION = "2.0.0-beta.1" + + +def is_notebook() -> bool: + return "get_ipython" in globals() + + +def repo_root() -> Path: + d = Path.cwd() / "dummy" if is_notebook() else Path(__file__) + assert d.is_absolute(), d + for d in d.parents: + if (d / ".git").is_dir(): + return d + raise RuntimeError("Repository root is not found.") + + +# ハイパーパラメータ +# 学習データや出力ディレクトリなど、学習ごとに変わるようなものはここに含めない +dict_default_hparams = { + # train + "learning_rate_g": 2e-4, + "learning_rate_d": 1e-4, + "min_learning_rate_g": 1e-5, + "min_learning_rate_d": 5e-6, + "adam_betas": [0.8, 0.99], + "adam_eps": 1e-6, + "batch_size": 8, + "grad_weight_mel": 1.0, # grad_weight は比が同じなら同じ意味になるはず + "grad_weight_ap": 2.0, + "grad_weight_adv": 3.0, + "grad_weight_fm": 3.0, + "grad_balancer_ema_decay": 0.995, + "use_amp": True, + "num_workers": 16, + "n_steps": 10000, + "warmup_steps": 2000, + "in_sample_rate": 16000, # 変更不可 + "out_sample_rate": 24000, # 変更不可 + "wav_length": 4 * 24000, # 4s + "segment_length": 100, # 1s + # data + "phone_extractor_file": "assets/pretrained/003b_checkpoint_03000000.pt", + "pitch_estimator_file": "assets/pretrained/008_1_checkpoint_00300000.pt", + "in_ir_wav_dir": "assets/ir", + "in_noise_wav_dir": "assets/noise", + "in_test_wav_dir": "assets/test", + "pretrained_file": "assets/pretrained/079_checkpoint_libritts_r_200_02400000.pt", # None も可 + # model + "hidden_channels": 256, # ファインチューン時変更不可、変更した場合は推論側の対応必要 + "san": False, # ファインチューン時変更不可 + "compile_convnext": False, + "compile_d4c": False, + "compile_discriminator": False, + "profile": False, +} + +if __name__ == "__main__": + # スクリプト内部のデフォルト設定と assets/default_config.json が同期されているか確認 + default_config_file = repo_root() / "assets/default_config.json" + if default_config_file.is_file(): + with open(default_config_file, encoding="utf-8") as f: + default_config: dict = json.load(f) + for key, value in dict_default_hparams.items(): + if key not in default_config: + warnings.warn(f"{key} not found in default_config.json.") + else: + if value != default_config[key]: + warnings.warn( + f"{key} differs between default_config.json ({default_config[key]}) and internal default hparams ({value})." + ) + del default_config[key] + for key in default_config: + warnings.warn(f"{key} found in default_config.json is unknown.") + else: + warnings.warn("dafualt_config.json not found.") + + +def prepare_training_configs_for_experiment() -> tuple[dict, Path, Path, bool, bool]: + import ipynbname + from IPython import get_ipython + + h = deepcopy(dict_default_hparams) + in_wav_dataset_dir = repo_root() / "../../data/processed/libritts_r_200" + try: + notebook_name = ipynbname.name() + except FileNotFoundError: + notebook_name = Path(get_ipython().user_ns["__vsc_ipynb_file__"]).name + out_dir = repo_root() / "notebooks" / notebook_name.split(".")[0].split("_")[0] + resume = False + skip_training = False + return h, in_wav_dataset_dir, out_dir, resume, skip_training + + +def prepare_training_configs() -> tuple[dict, Path, Path, bool, bool]: + # data_dir, out_dir は config ファイルでもコマンドライン引数でも指定でき、 + # コマンドライン引数が優先される。 + # 各種ファイルパスを相対パスで指定した場合、config ファイルでは + # リポジトリルートからの相対パスとなるが、コマンドライン引数では + # カレントディレクトリからの相対パスとなる。 + + parser = argparse.ArgumentParser() + # fmt: off + parser.add_argument("-d", "--data_dir", type=Path, help="directory containing the training data") + parser.add_argument("-o", "--out_dir", type=Path, help="output directory") + parser.add_argument("-r", "--resume", action="store_true", help="resume training") + parser.add_argument("-c", "--config", type=Path, help="path to the config file") + # fmt: on + args = parser.parse_args() + + # config + if args.config is None: + h = deepcopy(dict_default_hparams) + else: + with open(args.config, encoding="utf-8") as f: + h = json.load(f) + for key in dict_default_hparams.keys(): + if key not in h: + h[key] = dict_default_hparams[key] + warnings.warn( + f"{key} is not specified in the config file. Using the default value." + ) + # data_dir + if args.data_dir is not None: + in_wav_dataset_dir = args.data_dir + elif "data_dir" in h: + in_wav_dataset_dir = repo_root() / Path(h["data_dir"]) + del h["data_dir"] + else: + raise ValueError( + "data_dir must be specified. " + "For example `python3 beatrice_trainer -d my_training_data_dir -o my_output_dir`." + ) + # out_dir + if args.out_dir is not None: + out_dir = args.out_dir + elif "out_dir" in h: + out_dir = repo_root() / Path(h["out_dir"]) + del h["out_dir"] + else: + raise ValueError( + "out_dir must be specified. " + "For example `python3 beatrice_trainer -d my_training_data_dir -o my_output_dir`." + ) + for key in list(h.keys()): + if key not in dict_default_hparams: + warnings.warn(f"`{key}` specified in the config file will be ignored.") + del h[key] + # resume + resume = args.resume + return h, in_wav_dataset_dir, out_dir, resume, False + + +class AttrDict(dict): + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + self.__dict__ = self + + +# %% [markdown] +# ## Phone Extractor + + +# %% +def dump_params(params: torch.Tensor, f: BinaryIO): + if params is None: + return + if params.dtype == torch.bfloat16: + f.write( + params.detach() + .clone() + .float() + .view(torch.short) + .numpy() + .ravel()[1::2] + .tobytes() + ) + else: + f.write(params.detach().numpy().ravel().tobytes()) + f.flush() + + +def dump_layer(layer: nn.Module, f: BinaryIO): + dump = partial(dump_params, f=f) + if hasattr(layer, "dump"): + layer.dump(f) + elif isinstance(layer, (nn.Linear, nn.Conv1d, nn.LayerNorm)): + dump(layer.weight) + dump(layer.bias) + elif isinstance(layer, nn.ConvTranspose1d): + dump(layer.weight.transpose(0, 1)) + dump(layer.bias) + elif isinstance(layer, nn.GRU): + dump(layer.weight_ih_l0) + dump(layer.bias_ih_l0) + dump(layer.weight_hh_l0) + dump(layer.bias_hh_l0) + for i in range(1, 99999): + if not hasattr(layer, f"weight_ih_l{i}"): + break + dump(getattr(layer, f"weight_ih_l{i}")) + dump(getattr(layer, f"bias_ih_l{i}")) + dump(getattr(layer, f"weight_hh_l{i}")) + dump(getattr(layer, f"bias_hh_l{i}")) + elif isinstance(layer, nn.Embedding): + dump(layer.weight) + elif isinstance(layer, nn.Parameter): + dump(layer) + elif isinstance(layer, nn.ModuleList): + for l in layer: + dump_layer(l, f) + else: + assert False, layer + + +class CausalConv1d(nn.Conv1d): + def __init__( + self, + in_channels: int, + out_channels: int, + kernel_size: int, + stride: int = 1, + dilation: int = 1, + groups: int = 1, + bias: bool = True, + delay: int = 0, + ): + padding = (kernel_size - 1) * dilation - delay + self.trim = (kernel_size - 1) * dilation - 2 * delay + if self.trim < 0: + raise ValueError + super().__init__( + in_channels, + out_channels, + kernel_size=kernel_size, + stride=stride, + padding=padding, + dilation=dilation, + groups=groups, + bias=bias, + ) + + def forward(self, input: torch.Tensor) -> torch.Tensor: + result = super().forward(input) + if self.trim == 0: + return result + else: + return result[:, :, : -self.trim] + + +class WSConv1d(CausalConv1d): + def __init__( + self, + in_channels: int, + out_channels: int, + kernel_size: int, + stride: int = 1, + dilation: int = 1, + groups: int = 1, + bias: bool = True, + delay: int = 0, + ): + super().__init__( + in_channels, + out_channels, + kernel_size=kernel_size, + stride=stride, + dilation=dilation, + groups=groups, + bias=bias, + delay=delay, + ) + self.weight.data.normal_( + 0.0, math.sqrt(1.0 / (in_channels * kernel_size // groups)) + ) + if bias: + self.bias.data.zero_() + self.gain = nn.Parameter(torch.ones((out_channels, 1, 1))) + + def standardized_weight(self) -> torch.Tensor: + var, mean = torch.var_mean(self.weight, [1, 2], keepdim=True) + scale = ( + self.gain + * ( + self.in_channels * self.kernel_size[0] // self.groups * var + 1e-8 + ).rsqrt() + ) + return scale * (self.weight - mean) + + def forward(self, input: torch.Tensor) -> torch.Tensor: + result = F.conv1d( + input, + self.standardized_weight(), + self.bias, + self.stride, + self.padding, + self.dilation, + self.groups, + ) + if self.trim == 0: + return result + else: + return result[:, :, : -self.trim] + + def merge_weights(self): + self.weight.data[:] = self.standardized_weight().detach() + self.gain.data.fill_(1.0) + + +class WSLinear(nn.Linear): + def __init__(self, in_features: int, out_features: int, bias: bool = True): + super().__init__(in_features, out_features, bias) + self.weight.data.normal_(0.0, math.sqrt(1.0 / in_features)) + self.bias.data.zero_() + self.gain = nn.Parameter(torch.ones((out_features, 1))) + + def standardized_weight(self) -> torch.Tensor: + var, mean = torch.var_mean(self.weight, 1, keepdim=True) + scale = self.gain * (self.in_features * var + 1e-8).rsqrt() + return scale * (self.weight - mean) + + def forward(self, input: torch.Tensor) -> torch.Tensor: + return F.linear(input, self.standardized_weight(), self.bias) + + def merge_weights(self): + self.weight.data[:] = self.standardized_weight().detach() + self.gain.data.fill_(1.0) + + +class ConvNeXtBlock(nn.Module): + def __init__( + self, + channels: int, + intermediate_channels: int, + layer_scale_init_value: float, + kernel_size: int = 7, + use_weight_standardization: bool = False, + enable_scaling: bool = False, + pre_scale: float = 1.0, + post_scale: float = 1.0, + ): + super().__init__() + self.use_weight_standardization = use_weight_standardization + self.enable_scaling = enable_scaling + self.dwconv = CausalConv1d( + channels, channels, kernel_size=kernel_size, groups=channels + ) + self.norm = nn.LayerNorm(channels) + self.pwconv1 = nn.Linear(channels, intermediate_channels) + self.pwconv2 = nn.Linear(intermediate_channels, channels) + self.gamma = nn.Parameter(torch.full((channels,), layer_scale_init_value)) + self.dwconv.weight.data.normal_(0.0, math.sqrt(1.0 / kernel_size)) + self.dwconv.bias.data.zero_() + self.pwconv1.weight.data.normal_(0.0, math.sqrt(2.0 / channels)) + self.pwconv1.bias.data.zero_() + self.pwconv2.weight.data.normal_(0.0, math.sqrt(1.0 / intermediate_channels)) + self.pwconv2.bias.data.zero_() + if use_weight_standardization: + self.norm = nn.Identity() + self.dwconv = WSConv1d(channels, channels, kernel_size, groups=channels) + self.pwconv1 = WSLinear(channels, intermediate_channels) + self.pwconv2 = WSLinear(intermediate_channels, channels) + del self.gamma + if enable_scaling: + self.register_buffer("pre_scale", torch.tensor(pre_scale)) + self.register_buffer("post_scale", torch.tensor(post_scale)) + self.post_scale_weight = nn.Parameter(torch.ones(())) + + def forward(self, x: torch.Tensor) -> torch.Tensor: + identity = x + if self.enable_scaling: + x = x * self.pre_scale + x = self.dwconv(x) + x = x.transpose(1, 2) + x = self.norm(x) + x = self.pwconv1(x) + x = F.gelu(x, approximate="tanh") + x = self.pwconv2(x) + if not self.use_weight_standardization: + x *= self.gamma + if self.enable_scaling: + x *= self.post_scale * self.post_scale_weight + x = x.transpose(1, 2) + x += identity + return x + + def merge_weights(self): + if self.use_weight_standardization: + self.dwconv.merge_weights() + self.pwconv1.merge_weights() + self.pwconv2.merge_weights() + else: + self.pwconv1.bias.data += ( + self.norm.bias.data[None, :] * self.pwconv1.weight.data + ).sum(1) + self.pwconv1.weight.data *= self.norm.weight.data[None, :] + self.norm.bias.data[:] = 0.0 + self.norm.weight.data[:] = 1.0 + self.pwconv2.weight.data *= self.gamma.data[:, None] + self.pwconv2.bias.data *= self.gamma.data + self.gamma.data[:] = 1.0 + if self.enable_scaling: + self.dwconv.weight.data *= self.pre_scale.data + self.pre_scale.data.fill_(1.0) + self.pwconv2.weight.data *= ( + self.post_scale.data * self.post_scale_weight.data + ) + self.pwconv2.bias.data *= self.post_scale.data * self.post_scale_weight.data + self.post_scale.data.fill_(1.0) + self.post_scale_weight.data.fill_(1.0) + + def dump(self, f: Union[BinaryIO, str, bytes, os.PathLike]): + if isinstance(f, (str, bytes, os.PathLike)): + with open(f, "wb") as f: + self.dump(f) + return + if not hasattr(f, "write"): + raise TypeError + + dump_layer(self.dwconv, f) + dump_layer(self.pwconv1, f) + dump_layer(self.pwconv2, f) + + +class ConvNeXtStack(nn.Module): + def __init__( + self, + in_channels: int, + channels: int, + intermediate_channels: int, + n_blocks: int, + delay: int, + embed_kernel_size: int, + kernel_size: int, + use_weight_standardization: bool = False, + enable_scaling: bool = False, + ): + super().__init__() + assert delay * 2 + 1 <= embed_kernel_size + self.use_weight_standardization = use_weight_standardization + self.embed = CausalConv1d(in_channels, channels, embed_kernel_size, delay=delay) + self.norm = nn.LayerNorm(channels) + self.convnext = nn.ModuleList() + for i in range(n_blocks): + pre_scale = 1.0 / math.sqrt(1.0 + i / n_blocks) if enable_scaling else 1.0 + post_scale = 1.0 / math.sqrt(n_blocks) if enable_scaling else 1.0 + block = ConvNeXtBlock( + channels=channels, + intermediate_channels=intermediate_channels, + layer_scale_init_value=1.0 / n_blocks, + kernel_size=kernel_size, + use_weight_standardization=use_weight_standardization, + enable_scaling=enable_scaling, + pre_scale=pre_scale, + post_scale=post_scale, + ) + self.convnext.append(block) + self.final_layer_norm = nn.LayerNorm(channels) + self.embed.weight.data.normal_( + 0.0, math.sqrt(0.5 / (embed_kernel_size * in_channels)) + ) + self.embed.bias.data.zero_() + if use_weight_standardization: + self.embed = WSConv1d(in_channels, channels, embed_kernel_size, delay=delay) + self.norm = nn.Identity() + self.final_layer_norm = nn.Identity() + + def forward(self, x: torch.Tensor) -> torch.Tensor: + x = self.embed(x) + x = self.norm(x.transpose(1, 2)).transpose(1, 2) + for conv_block in self.convnext: + x = conv_block(x) + x = self.final_layer_norm(x.transpose(1, 2)).transpose(1, 2) + return x + + def merge_weights(self): + if self.use_weight_standardization: + self.embed.merge_weights() + for conv_block in self.convnext: + conv_block.merge_weights() + + def dump(self, f: Union[BinaryIO, str, bytes, os.PathLike]): + if isinstance(f, (str, bytes, os.PathLike)): + with open(f, "wb") as f: + self.dump(f) + return + if not hasattr(f, "write"): + raise TypeError + + dump_layer(self.embed, f) + if not self.use_weight_standardization: + dump_layer(self.norm, f) + dump_layer(self.convnext, f) + if not self.use_weight_standardization: + dump_layer(self.final_layer_norm, f) + + +class FeatureExtractor(nn.Module): + def __init__(self, hidden_channels: int): + super().__init__() + # fmt: off + self.conv0 = weight_norm(nn.Conv1d(1, hidden_channels // 8, 10, 5, bias=False)) + self.conv1 = weight_norm(nn.Conv1d(hidden_channels // 8, hidden_channels // 4, 3, 2, bias=False)) + self.conv2 = weight_norm(nn.Conv1d(hidden_channels // 4, hidden_channels // 2, 3, 2, bias=False)) + self.conv3 = weight_norm(nn.Conv1d(hidden_channels // 2, hidden_channels, 3, 2, bias=False)) + self.conv4 = weight_norm(nn.Conv1d(hidden_channels, hidden_channels, 3, 2, bias=False)) + self.conv5 = weight_norm(nn.Conv1d(hidden_channels, hidden_channels, 2, 2, bias=False)) + # fmt: on + + def forward(self, x: torch.Tensor) -> torch.Tensor: + # x: [batch_size, 1, wav_length] + wav_length = x.size(2) + if wav_length % 160 != 0: + warnings.warn("wav_length % 160 != 0") + x = F.pad(x, (40, 40)) + x = F.gelu(self.conv0(x), approximate="tanh") + x = F.gelu(self.conv1(x), approximate="tanh") + x = F.gelu(self.conv2(x), approximate="tanh") + x = F.gelu(self.conv3(x), approximate="tanh") + x = F.gelu(self.conv4(x), approximate="tanh") + x = F.gelu(self.conv5(x), approximate="tanh") + # [batch_size, hidden_channels, wav_length / 160] + return x + + def remove_weight_norm(self): + remove_weight_norm(self.conv0) + remove_weight_norm(self.conv1) + remove_weight_norm(self.conv2) + remove_weight_norm(self.conv3) + remove_weight_norm(self.conv4) + remove_weight_norm(self.conv5) + + def dump(self, f: Union[BinaryIO, str, bytes, os.PathLike]): + if isinstance(f, (str, bytes, os.PathLike)): + with open(f, "wb") as f: + self.dump(f) + return + if not hasattr(f, "write"): + raise TypeError + + dump_layer(self.conv0, f) + dump_layer(self.conv1, f) + dump_layer(self.conv2, f) + dump_layer(self.conv3, f) + dump_layer(self.conv4, f) + dump_layer(self.conv5, f) + + +class FeatureProjection(nn.Module): + def __init__(self, in_channels: int, out_channels: int): + super().__init__() + self.norm = nn.LayerNorm(in_channels) + self.projection = nn.Conv1d(in_channels, out_channels, 1) + self.dropout = nn.Dropout(0.1) + + def forward(self, x: torch.Tensor) -> torch.Tensor: + # [batch_size, channels, length] + x = self.norm(x.transpose(1, 2)).transpose(1, 2) + x = self.projection(x) + x = self.dropout(x) + return x + + def merge_weights(self): + self.projection.bias.data += ( + (self.norm.bias.data[None, :, None] * self.projection.weight.data) + .sum(1) + .squeeze(1) + ) + self.projection.weight.data *= self.norm.weight.data[None, :, None] + self.norm.bias.data[:] = 0.0 + self.norm.weight.data[:] = 1.0 + + def dump(self, f: Union[BinaryIO, str, bytes, os.PathLike]): + if isinstance(f, (str, bytes, os.PathLike)): + with open(f, "wb") as f: + self.dump(f) + return + if not hasattr(f, "write"): + raise TypeError + + dump_layer(self.projection, f) + + +class PhoneExtractor(nn.Module): + def __init__( + self, + phone_channels: int = 256, + hidden_channels: int = 256, + backbone_embed_kernel_size: int = 7, + kernel_size: int = 17, + n_blocks: int = 8, + ): + super().__init__() + self.feature_extractor = FeatureExtractor(hidden_channels) + self.feature_projection = FeatureProjection(hidden_channels, hidden_channels) + self.n_speaker_encoder_layers = 3 + self.speaker_encoder = nn.GRU( + hidden_channels, + hidden_channels, + self.n_speaker_encoder_layers, + batch_first=True, + ) + for i in range(self.n_speaker_encoder_layers): + for input_char in "ih": + self.speaker_encoder = weight_norm( + self.speaker_encoder, f"weight_{input_char}h_l{i}" + ) + self.backbone = ConvNeXtStack( + in_channels=hidden_channels, + channels=hidden_channels, + intermediate_channels=hidden_channels * 3, + n_blocks=n_blocks, + delay=0, + embed_kernel_size=backbone_embed_kernel_size, + kernel_size=kernel_size, + ) + self.head = weight_norm(nn.Conv1d(hidden_channels, phone_channels, 1)) + + def forward( + self, x: torch.Tensor, return_stats: bool = True + ) -> Union[torch.Tensor, tuple[torch.Tensor, dict[str, float]]]: + # x: [batch_size, 1, wav_length] + + stats = {} + + # [batch_size, 1, wav_length] -> [batch_size, feature_extractor_hidden_channels, length] + x = self.feature_extractor(x) + if return_stats: + stats["feature_norm"] = x.detach().norm(dim=1).mean() + # [batch_size, feature_extractor_hidden_channels, length] -> [batch_size, hidden_channels, length] + x = self.feature_projection(x) + # [batch_size, hidden_channels, length] -> [batch_size, length, hidden_channels] + g, _ = self.speaker_encoder(x.transpose(1, 2)) + if self.training: + batch_size, length, _ = g.size() + shuffle_sizes_for_each_data = torch.randint( + 0, 50, (batch_size,), device=g.device + ) + max_indices = torch.arange(length, device=g.device)[None, :, None] + min_indices = ( + max_indices - shuffle_sizes_for_each_data[:, None, None] + ).clamp_(min=0) + with torch.cuda.amp.autocast(False): + indices = ( + torch.rand(g.size(), device=g.device) + * (max_indices - min_indices + 1) + ).long() + min_indices + assert indices.min() >= 0, indices.min() + assert indices.max() < length, (indices.max(), length) + g = g.gather(1, indices) + + # [batch_size, length, hidden_channels] -> [batch_size, hidden_channels, length] + g = g.transpose(1, 2).contiguous() + # [batch_size, hidden_channels, length] + x = self.backbone(x + g) + # [batch_size, hidden_channels, length] -> [batch_size, phone_channels, length] + phone = self.head(F.gelu(x, approximate="tanh")) + + results = [phone] + if return_stats: + stats["code_norm"] = phone.detach().norm(dim=1).mean().item() + results.append(stats) + + if len(results) == 1: + return results[0] + return tuple(results) + + @torch.inference_mode() + def units(self, x: torch.Tensor) -> torch.Tensor: + # x: [batch_size, 1, wav_length] + + # [batch_size, 1, wav_length] -> [batch_size, phone_channels, length] + phone = self.forward(x, return_stats=False) + # [batch_size, phone_channels, length] -> [batch_size, length, phone_channels] + phone = phone.transpose(1, 2) + # [batch_size, length, phone_channels] + return phone + + def remove_weight_norm(self): + self.feature_extractor.remove_weight_norm() + for i in range(self.n_speaker_encoder_layers): + for input_char in "ih": + remove_weight_norm(self.speaker_encoder, f"weight_{input_char}h_l{i}") + remove_weight_norm(self.head) + + def merge_weights(self): + self.feature_projection.merge_weights() + self.backbone.merge_weights() + + def dump(self, f: Union[BinaryIO, str, bytes, os.PathLike]): + if isinstance(f, (str, bytes, os.PathLike)): + with open(f, "wb") as f: + self.dump(f) + return + if not hasattr(f, "write"): + raise TypeError + + dump_layer(self.feature_extractor, f) + dump_layer(self.feature_projection, f) + dump_layer(self.speaker_encoder, f) + dump_layer(self.backbone, f) + dump_layer(self.head, f) + + +# %% [markdown] +# ## Pitch Estimator + + +# %% +def extract_pitch_features( + y: torch.Tensor, # [..., wav_length] + hop_length: int = 160, # 10ms + win_length: int = 560, # 35ms + max_corr_period: int = 256, # 16ms, 62.5Hz (16000 / 256) + corr_win_length: int = 304, # 19ms + instfreq_features_cutoff_bin: int = 64, # 1828Hz (16000 * 64 / 560) +) -> tuple[torch.Tensor, torch.Tensor, torch.Tensor]: + assert max_corr_period + corr_win_length == win_length + + # パディングする + padding_length = (win_length - hop_length) // 2 + y = F.pad(y, (padding_length, padding_length)) + + # フレームにする + # [..., win_length, n_frames] + y_frames = y.unfold(-1, win_length, hop_length).transpose_(-2, -1) + + # 複素スペクトログラム + # Complex[..., (win_length // 2 + 1), n_frames] + spec: torch.Tensor = torch.fft.rfft(y_frames, n=win_length, dim=-2) + + # Complex[..., instfreq_features_cutoff_bin, n_frames] + spec = spec[..., :instfreq_features_cutoff_bin, :] + + # 対数パワースペクトログラム + log_power_spec = spec.abs().add_(1e-5).log10_() + + # 瞬時位相の時間差分 + # 時刻 0 の値は 0 + delta_spec = spec[..., :, 1:] * spec[..., :, :-1].conj() + delta_spec /= delta_spec.abs().add_(1e-5) + delta_spec = torch.cat( + [torch.zeros_like(delta_spec[..., :, :1]), delta_spec], dim=-1 + ) + + # [..., instfreq_features_cutoff_bin * 3, n_frames] + instfreq_features = torch.cat( + [log_power_spec, delta_spec.real, delta_spec.imag], dim=-2 + ) + + # 自己相関 + # 余裕があったら LPC 残差にするのも試したい + # 元々これに 2.0 / corr_win_length を掛けて使おうと思っていたが、 + # この値は振幅の 2 乗に比例していて、NN に入力するために良い感じに分散を + # 標準化する方法が思いつかなかったのでやめた + flipped_y_frames = y_frames.flip((-2,)) + a = torch.fft.rfft(flipped_y_frames, n=win_length, dim=-2) + b = torch.fft.rfft(y_frames[..., -corr_win_length:, :], n=win_length, dim=-2) + # [..., max_corr_period, n_frames] + corr = torch.fft.irfft(a * b, n=win_length, dim=-2)[..., corr_win_length:, :] + + # エネルギー項 + energy = flipped_y_frames.square_().cumsum_(-2) + energy0 = energy[..., corr_win_length - 1 : corr_win_length, :] + energy = energy[..., corr_win_length:, :] - energy[..., :-corr_win_length, :] + + # Difference function + corr_diff = (energy0 + energy).sub_(corr.mul_(2.0)) + assert corr_diff.min() >= -1e-3, corr_diff.min() + corr_diff.clamp_(min=0.0) # 計算誤差対策 + + # 標準化 + corr_diff *= 2.0 / corr_win_length + corr_diff.sqrt_() + + # 変換モデルへの入力用のエネルギー + energy = ( + (y_frames * torch.signal.windows.cosine(win_length, device=y.device)[..., None]) + .square_() + .sum(-2, keepdim=True) + ) + + energy.clamp_(min=1e-3).log10_() # >= -3, 振幅 1 の正弦波なら大体 2.15 + energy *= 0.5 # >= -1.5, 振幅 1 の正弦波なら大体 1.07, 1 の差は振幅で 20dB の差 + + return ( + instfreq_features, # [..., instfreq_features_cutoff_bin * 3, n_frames] + corr_diff, # [..., max_corr_period, n_frames] + energy, # [..., 1, n_frames] + ) + + +class PitchEstimator(nn.Module): + def __init__( + self, + input_instfreq_channels: int = 192, + input_corr_channels: int = 256, + pitch_channels: int = 384, + channels: int = 192, + intermediate_channels: int = 192 * 3, + n_blocks: int = 6, + delay: int = 1, # 10ms, 特徴抽出と合わせると 22.5ms + embed_kernel_size: int = 3, + kernel_size: int = 33, + bins_per_octave: int = 96, + ): + super().__init__() + self.bins_per_octave = bins_per_octave + + self.instfreq_embed_0 = nn.Conv1d(input_instfreq_channels, channels, 1) + self.instfreq_embed_1 = nn.Conv1d(channels, channels, 1) + self.corr_embed_0 = nn.Conv1d(input_corr_channels, channels, 1) + self.corr_embed_1 = nn.Conv1d(channels, channels, 1) + self.backbone = ConvNeXtStack( + channels, + channels, + intermediate_channels, + n_blocks, + delay, + embed_kernel_size, + kernel_size, + ) + self.head = nn.Conv1d(channels, pitch_channels, 1) + + def forward(self, wav: torch.Tensor) -> tuple[torch.Tensor, torch.Tensor]: + # wav: [batch_size, 1, wav_length] + + # [batch_size, input_instfreq_channels, length], + # [batch_size, input_corr_channels, length] + with torch.amp.autocast("cuda", enabled=False): + instfreq_features, corr_diff, energy = extract_pitch_features( + wav.squeeze(1), + hop_length=160, + win_length=560, + max_corr_period=256, + corr_win_length=304, + instfreq_features_cutoff_bin=64, + ) + instfreq_features = F.gelu( + self.instfreq_embed_0(instfreq_features), approximate="tanh" + ) + instfreq_features = self.instfreq_embed_1(instfreq_features) + corr_diff = F.gelu(self.corr_embed_0(corr_diff), approximate="tanh") + corr_diff = self.corr_embed_1(corr_diff) + # [batch_size, channels, length] + x = instfreq_features + corr_diff # ここ活性化関数忘れてる + x = self.backbone(x) + # [batch_size, pitch_channels, length] + x = self.head(x) + return x, energy + + def sample_pitch( + self, pitch: torch.Tensor, band_width: int = 48, return_features: bool = False + ) -> Union[torch.Tensor, tuple[torch.Tensor, torch.Tensor]]: + # pitch: [batch_size, pitch_channels, length] + # 返されるピッチの値には 0 は含まれない + batch_size, pitch_channels, length = pitch.size() + pitch = pitch.softmax(1) + if return_features: + unvoiced_proba = pitch[:, :1, :].clone() + pitch[:, 0, :] = -100.0 + pitch = ( + pitch.transpose(1, 2) + .contiguous() + .view(batch_size * length, 1, pitch_channels) + ) + band_pitch = F.conv1d( + pitch, + torch.ones((1, 1, 1), device=pitch.device).expand(1, 1, band_width), + ) + # [batch_size * length, 1, pitch_channels - band_width + 1] -> Long[batch_size * length, 1] + quantized_band_pitch = band_pitch.argmax(2) + if return_features: + # [batch_size * length, 1] + band_proba = band_pitch.gather(2, quantized_band_pitch[:, :, None]) + # [batch_size * length, 1] + half_pitch_band_proba = band_pitch.gather( + 2, + (quantized_band_pitch - self.bins_per_octave).clamp_(min=1)[:, :, None], + ) + half_pitch_band_proba[quantized_band_pitch <= self.bins_per_octave] = 0.0 + half_pitch_proba = (half_pitch_band_proba / (band_proba + 1e-6)).view( + batch_size, 1, length + ) + # [batch_size * length, 1] + double_pitch_band_proba = band_pitch.gather( + 2, + (quantized_band_pitch + self.bins_per_octave).clamp_( + max=pitch_channels - band_width + )[:, :, None], + ) + double_pitch_band_proba[ + quantized_band_pitch + > pitch_channels - band_width - self.bins_per_octave + ] = 0.0 + double_pitch_proba = (double_pitch_band_proba / (band_proba + 1e-6)).view( + batch_size, 1, length + ) + # Long[1, pitch_channels] + mask = torch.arange(pitch_channels, device=pitch.device)[None, :] + # bool[batch_size * length, pitch_channels] + mask = (quantized_band_pitch <= mask) & ( + mask < quantized_band_pitch + band_width + ) + # Long[batch_size, length] + quantized_pitch = (pitch.squeeze(1) * mask).argmax(1).view(batch_size, length) + + if return_features: + features = torch.cat( + [unvoiced_proba, half_pitch_proba, double_pitch_proba], dim=1 + ) + # Long[batch_size, length], [batch_size, 3, length] + return quantized_pitch, features + else: + return quantized_pitch + + def merge_weights(self): + self.backbone.merge_weights() + + def dump(self, f: Union[BinaryIO, str, bytes, os.PathLike]): + if isinstance(f, (str, bytes, os.PathLike)): + with open(f, "wb") as f: + self.dump(f) + return + if not hasattr(f, "write"): + raise TypeError + + dump_layer(self.instfreq_embed_0, f) + dump_layer(self.instfreq_embed_1, f) + dump_layer(self.corr_embed_0, f) + dump_layer(self.corr_embed_1, f) + dump_layer(self.backbone, f) + dump_layer(self.head, f) + + +# %% [markdown] +# ## Vocoder + + +# %% +def overlap_add( + ir_amp: torch.Tensor, + ir_phase: torch.Tensor, + window: torch.Tensor, + pitch: torch.Tensor, + hop_length: int = 240, + delay: int = 0, + sr: float = 24000.0, +) -> torch.Tensor: + batch_size, ir_length, length = ir_amp.size() + ir_length = (ir_length - 1) * 2 + assert ir_phase.size() == ir_amp.size() + assert window.size() == (ir_length,), (window.size(), ir_amp.size()) + assert pitch.size() == (batch_size, length * hop_length) + assert 0 <= delay < ir_length, (delay, ir_length) + # 正規化角周波数 [2π rad] + normalized_freq = pitch / sr + # 初期位相 [2π rad] をランダムに設定 + normalized_freq[:, 0] = torch.rand(batch_size, device=pitch.device) + with torch.amp.autocast("cuda", enabled=False): + phase = (normalized_freq.double().cumsum_(1) % 1.0).float() + # 重ねる箇所を求める + # [n_pitchmarks], [n_pitchmarks] + indices0, indices1 = torch.nonzero(phase[:, :-1] > phase[:, 1:], as_tuple=True) + # 重ねる箇所の小数部分 (位相の遅れ) を求める + numer = 1.0 - phase[indices0, indices1] + # [n_pitchmarks] + fractional_part = numer / (numer + phase[indices0, indices1 + 1]) + # 重ねる値を求める + # Complex[n_pitchmarks, ir_length / 2 + 1] + ir_amp = ir_amp[indices0, :, indices1 // hop_length] + ir_phase = ir_phase[indices0, :, indices1 // hop_length] + # 位相遅れの量 [rad] + # [n_pitchmarks, ir_length / 2 + 1] + delay_phase = ( + torch.arange(ir_length // 2 + 1, device=pitch.device, dtype=torch.float32)[ + None, : + ] + * (-math.tau / ir_length) + * fractional_part[:, None] + ) + # Complex[n_pitchmarks, ir_length / 2 + 1] + spec = torch.polar(ir_amp, ir_phase + delay_phase) + # [n_pitchmarks, ir_length] + ir = torch.fft.irfft(spec, n=ir_length, dim=1) + ir *= window + + # 加算する値をサンプル単位にばらす + # [n_pitchmarks * ir_length] + ir = ir.ravel() + # Long[n_pitchmarks * ir_length] + indices0 = indices0[:, None].expand(-1, ir_length).ravel() + # Long[n_pitchmarks * ir_length] + indices1 = ( + indices1[:, None] + torch.arange(ir_length, device=pitch.device) + ).ravel() + + # overlap-add する + overlap_added_signal = torch.zeros( + (batch_size, length * hop_length + ir_length), device=pitch.device + ) + overlap_added_signal.index_put_((indices0, indices1), ir, accumulate=True) + overlap_added_signal = overlap_added_signal[:, delay : -ir_length + delay] + + return overlap_added_signal + + +def generate_noise( + aperiodicity: torch.Tensor, delay: int = 0 +) -> tuple[torch.Tensor, torch.Tensor]: + # aperiodicity: [batch_size, hop_length, length] + batch_size, hop_length, length = aperiodicity.size() + excitation = torch.rand( + batch_size, (length + 1) * hop_length, device=aperiodicity.device + ) + excitation -= 0.5 + n_fft = 2 * hop_length + # 矩形窓で分析 + # Complex[batch_size, hop_length + 1, length] + noise = torch.stft( + excitation, + n_fft=n_fft, + hop_length=hop_length, + window=torch.ones(n_fft, device=excitation.device), + center=False, + return_complex=True, + ) + assert noise.size(2) == aperiodicity.size(2) + noise[:, 0, :] = 0.0 + noise[:, 1:, :] *= aperiodicity + # ハン窓で合成 + # torch.istft は最適合成窓が使われるので使えないことに注意 + # [batch_size, 2 * hop_length, length] + noise = torch.fft.irfft(noise, n=2 * hop_length, dim=1) + noise *= torch.hann_window(2 * hop_length, device=noise.device)[None, :, None] + # [batch_size, (length + 1) * hop_length] + noise = F.fold( + noise, + (1, (length + 1) * hop_length), + (1, 2 * hop_length), + stride=(1, hop_length), + ).squeeze_((1, 2)) + + assert delay < hop_length + noise = noise[:, delay : -hop_length + delay] + excitation = excitation[:, delay : -hop_length + delay] + return noise, excitation # [batch_size, length * hop_length] + + +class GradientEqualizerFunction(torch.autograd.Function): + """ノルムが小さいほど勾配が大きくなってしまうのを補正する""" + + @staticmethod + def forward(ctx, x: torch.Tensor) -> torch.Tensor: + # x: [batch_size, 1, length] + rms = x.square().mean(dim=2, keepdim=True).sqrt_() + ctx.save_for_backward(rms) + return x + + @staticmethod + def backward(ctx, dx: torch.Tensor) -> torch.Tensor: + # dx: [batch_size, 1, length] + (rms,) = ctx.saved_tensors + dx = dx * (math.sqrt(2.0) * rms + 0.1) + return dx + + +D4C_PREVENT_ZERO_DIVISION = True # False にすると本家の処理 + + +def interp(x: torch.Tensor, y: torch.Tensor, xi: torch.Tensor) -> torch.Tensor: + # x が単調増加で等間隔と仮定 + # 外挿は起こらないと仮定 + x = torch.as_tensor(x) + y = torch.as_tensor(y) + xi = torch.as_tensor(xi) + if xi.ndim < y.ndim: + diff_ndim = y.ndim - xi.ndim + xi = xi.view(tuple([1] * diff_ndim) + xi.size()) + if xi.size()[:-1] != y.size()[:-1]: + xi = xi.expand(y.size()[:-1] + (xi.size(-1),)) + assert (x.min(-1).values == x[..., 0]).all() + assert (x.max(-1).values == x[..., -1]).all() + assert (xi.min(-1).values >= x[..., 0]).all() + assert (xi.max(-1).values <= x[..., -1]).all() + delta_x = (x[..., -1].double() - x[..., 0].double()) / (x.size(-1) - 1.0) + delta_x = delta_x.to(x.dtype) + xi = (xi - x[..., :1]).div_(delta_x[..., None]) + xi_base = xi.floor() + xi_fraction = xi.sub_(xi_base) + xi_base = xi_base.long() + delta_y = y.diff(dim=-1, append=y[..., -1:]) + yi = y.gather(-1, xi_base) + delta_y.gather(-1, xi_base) * xi_fraction + return yi + + +def linear_smoothing( + group_delay: torch.Tensor, sr: int, n_fft: int, width: torch.Tensor +) -> torch.Tensor: + group_delay = torch.as_tensor(group_delay) + assert group_delay.size(-1) == n_fft // 2 + 1 + width = torch.as_tensor(width) + boundary = (width.max() * n_fft / sr).long() + 1 + + dtype = group_delay.dtype + device = group_delay.device + fft_resolution = sr / n_fft + mirroring_freq_axis = ( + torch.arange(-boundary, n_fft // 2 + 1 + boundary, dtype=dtype, device=device) + .add(0.5) + .mul(fft_resolution) + ) + if group_delay.ndim == 1: + mirroring_spec = F.pad( + group_delay[None], (boundary, boundary), mode="reflect" + ).squeeze_(0) + elif group_delay.ndim >= 4: + shape = group_delay.size() + mirroring_spec = F.pad( + group_delay.view(math.prod(shape[:-1]), group_delay.size(-1)), + (boundary, boundary), + mode="reflect", + ).view(shape[:-1] + (shape[-1] + 2 * boundary,)) + else: + mirroring_spec = F.pad(group_delay, (boundary, boundary), mode="reflect") + mirroring_segment = mirroring_spec.mul(fft_resolution).cumsum_(-1) + center_freq = torch.arange(n_fft // 2 + 1, dtype=dtype, device=device).mul_( + fft_resolution + ) + low_freq = center_freq - width[..., None] * 0.5 + high_freq = center_freq + width[..., None] * 0.5 + levels = interp( + mirroring_freq_axis, mirroring_segment, torch.cat([low_freq, high_freq], dim=-1) + ) + low_levels, high_levels = levels.split([n_fft // 2 + 1] * 2, dim=-1) + smoothed = (high_levels - low_levels).div_(width[..., None]) + return smoothed + + +def dc_correction( + spec: torch.Tensor, sr: int, n_fft: int, f0: torch.Tensor +) -> torch.Tensor: + spec = torch.as_tensor(spec) + f0 = torch.as_tensor(f0) + dtype = spec.dtype + device = spec.device + + upper_limit = 2 + (f0 * (n_fft / sr)).long() + max_upper_limit = upper_limit.max() + upper_limit_mask = ( + torch.arange(max_upper_limit - 1, device=device) < (upper_limit - 1)[..., None] + ) + low_freq_axis = torch.arange(max_upper_limit + 1, dtype=dtype, device=device) * ( + sr / n_fft + ) + low_freq_replica = interp( + f0[..., None] - low_freq_axis.flip(-1), + spec[..., : max_upper_limit + 1].flip(-1), + low_freq_axis[..., : max_upper_limit - 1] * upper_limit_mask, + ) + output = spec.clone() + output[..., : max_upper_limit - 1] += low_freq_replica * upper_limit_mask + return output + + +def nuttall(n: int, device: torch.types.Device) -> torch.Tensor: + t = torch.linspace(0, math.tau, n, device=device) + coefs = torch.tensor([0.355768, -0.487396, 0.144232, -0.012604], device=device) + terms = torch.tensor([0.0, 1.0, 2.0, 3.0], device=device) + cos_matrix = (terms[:, None] * t).cos_() # [4, n] + window = coefs.matmul(cos_matrix) + return window + + +def get_windowed_waveform( + x: torch.Tensor, + sr: int, + f0: torch.Tensor, + position: torch.Tensor, + half_window_length_ratio: float, + window_type: Literal["hann", "blackman"], + n_fft: int, +) -> tuple[torch.Tensor, torch.Tensor]: + x = torch.as_tensor(x) + f0 = torch.as_tensor(f0) + position = torch.as_tensor(position) + + current_sample = position * sr + # [...] + half_window_length = (half_window_length_ratio * sr / f0).add_(0.5).long() + # [..., fft_size] + base_index = -half_window_length[..., None] + torch.arange(n_fft, device=x.device) + base_index_mask = base_index <= half_window_length[..., None] + # [..., fft_size] + safe_index = ((current_sample + 0.501).long()[..., None] + base_index).clamp_( + 0, x.size(-1) - 1 + ) + # [..., fft_size] + time_axis = base_index.to(x.dtype).div_(half_window_length_ratio) + # [...] + normalized_f0 = math.pi / sr * f0 + # [..., fft_size] + phase = time_axis.mul_(normalized_f0[..., None]) + + if window_type == "hann": + window = phase.cos_().mul_(0.5).add_(0.5) + elif window_type == "blackman": + window = phase.mul(2.0).cos_().mul_(0.08).add_(phase.cos().mul_(0.5)).add_(0.42) + else: + assert False + window *= base_index_mask + + prefix_shape = tuple( + max(x_size, i_size) for x_size, i_size in zip(x.size(), safe_index.size()) + )[:-1] + waveform = ( + x.expand(prefix_shape + (-1,)) + .gather(-1, safe_index.expand(prefix_shape + (-1,))) + .mul_(window) + ) + if not D4C_PREVENT_ZERO_DIVISION: + waveform += torch.randn_like(window).mul_(1e-12) + waveform *= base_index_mask + waveform -= window * waveform.sum(-1, keepdim=True).div_( + window.sum(-1, keepdim=True) + ) + return waveform, window + + +def get_centroid(x: torch.Tensor, n_fft: int) -> torch.Tensor: + x = torch.as_tensor(x) + if D4C_PREVENT_ZERO_DIVISION: + x = x / x.norm(dim=-1, keepdim=True).clamp(min=6e-8) + else: + x = x / x.norm(dim=-1, keepdim=True) + spec0 = torch.fft.rfft(x, n_fft) + spec1 = torch.fft.rfft( + x * torch.arange(1, x.size(-1) + 1, dtype=x.dtype, device=x.device).div_(n_fft), + n_fft, + ) + centroid = spec0.real * spec1.real + spec0.imag * spec1.imag + return centroid + + +def get_static_centroid( + x: torch.Tensor, sr: int, f0: torch.Tensor, position: torch.Tensor, n_fft: int +) -> torch.Tensor: + """First step: calculation of temporally static parameters on basis of group delay""" + x1, _ = get_windowed_waveform( + x, sr, f0, position + 0.25 / f0, 2.0, "blackman", n_fft + ) + x2, _ = get_windowed_waveform( + x, sr, f0, position - 0.25 / f0, 2.0, "blackman", n_fft + ) + centroid1 = get_centroid(x1, n_fft) + centroid2 = get_centroid(x2, n_fft) + return dc_correction(centroid1 + centroid2, sr, n_fft, f0) + + +def get_smoothed_power_spec( + x: torch.Tensor, sr: int, f0: torch.Tensor, position: torch.Tensor, n_fft: int +) -> tuple[torch.Tensor, torch.Tensor]: + x = torch.as_tensor(x) + f0 = torch.as_tensor(f0) + x, window = get_windowed_waveform(x, sr, f0, position, 2.0, "hann", n_fft) + window_weight = window.square().sum(-1, keepdim=True) + rms = x.square().sum(-1, keepdim=True).div_(window_weight).sqrt_() + if D4C_PREVENT_ZERO_DIVISION: + x = x / (rms * math.sqrt(n_fft)).clamp_(min=6e-8) + smoothed_power_spec = torch.fft.rfft(x, n_fft).abs().square_() + smoothed_power_spec = dc_correction(smoothed_power_spec, sr, n_fft, f0) + smoothed_power_spec = linear_smoothing(smoothed_power_spec, sr, n_fft, f0) + return smoothed_power_spec, rms.detach().squeeze(-1) + + +def get_static_group_delay( + static_centroid: torch.Tensor, + smoothed_power_spec: torch.Tensor, + sr: int, + f0: torch.Tensor, + n_fft: int, +) -> torch.Tensor: + """Second step: calculation of parameter shaping""" + if D4C_PREVENT_ZERO_DIVISION: + smoothed_power_spec = smoothed_power_spec.clamp(min=6e-8) + static_group_delay = static_centroid / smoothed_power_spec # t_g + static_group_delay = linear_smoothing( + static_group_delay, sr, n_fft, f0 * 0.5 + ) # t_gs + smoothed_group_delay = linear_smoothing(static_group_delay, sr, n_fft, f0) # t_gb + static_group_delay = static_group_delay - smoothed_group_delay # t_D + return static_group_delay + + +def get_coarse_aperiodicity( + group_delay: torch.Tensor, + sr: int, + n_fft: int, + freq_interval: int, + n_aperiodicities: int, + window: torch.Tensor, +) -> torch.Tensor: + """Third step: estimation of band-aperiodicity""" + group_delay = torch.as_tensor(group_delay) + window = torch.as_tensor(window) + boundary = int(round(n_fft * 8 / window.size(-1))) + half_window_length = window.size(-1) // 2 + coarse_aperiodicity = torch.empty( + group_delay.size()[:-1] + (n_aperiodicities,), + dtype=group_delay.dtype, + device=group_delay.device, + ) + for i in range(n_aperiodicities): + center = freq_interval * (i + 1) * n_fft // sr + segment = ( + group_delay[ + ..., center - half_window_length : center + half_window_length + 1 + ] + * window + ) + power_spec: torch.Tensor = torch.fft.rfft(segment, n_fft).abs().square_() + cumulative_power_spec = power_spec.sort(-1).values.cumsum_(-1) + if D4C_PREVENT_ZERO_DIVISION: + cumulative_power_spec.clamp_(min=6e-8) + coarse_aperiodicity[..., i] = ( + cumulative_power_spec[..., n_fft // 2 - boundary - 1] + / cumulative_power_spec[..., -1] + ) + coarse_aperiodicity.log10_().mul_(10.0) + return coarse_aperiodicity + + +def d4c_love_train( + x: torch.Tensor, sr: int, f0: torch.Tensor, position: torch.Tensor, threshold: float +) -> int: + x = torch.as_tensor(x) + position = torch.as_tensor(position) + f0: torch.Tensor = torch.as_tensor(f0) + vuv = f0 != 0 + lowest_f0 = 40 + f0 = f0.clamp(min=lowest_f0) + n_fft = 1 << (3 * sr // lowest_f0).bit_length() + boundary0 = (100 * n_fft - 1) // sr + 1 + boundary1 = (4000 * n_fft - 1) // sr + 1 + boundary2 = (7900 * n_fft - 1) // sr + 1 + waveform, _ = get_windowed_waveform(x, sr, f0, position, 1.5, "blackman", n_fft) + power_spec = torch.fft.rfft(waveform, n_fft).abs().square_() + power_spec[..., : boundary0 + 1] = 0.0 + cumulative_spec = power_spec.cumsum_(-1) + vuv = vuv & ( + cumulative_spec[..., boundary1] > threshold * cumulative_spec[..., boundary2] + ) + return vuv + + +def d4c_general_body( + x: torch.Tensor, + sr: int, + f0: torch.Tensor, + freq_interval: int, + position: torch.Tensor, + n_fft: int, + n_aperiodicities: int, + window: torch.Tensor, +) -> tuple[torch.Tensor, torch.Tensor]: + static_centroid = get_static_centroid(x, sr, f0, position, n_fft) + smoothed_power_spec, rms = get_smoothed_power_spec(x, sr, f0, position, n_fft) + static_group_delay = get_static_group_delay( + static_centroid, smoothed_power_spec, sr, f0, n_fft + ) + coarse_aperiodicity = get_coarse_aperiodicity( + static_group_delay, sr, n_fft, freq_interval, n_aperiodicities, window + ) + coarse_aperiodicity.add_((f0[..., None] - 100.0).div_(50.0)).clamp_(max=0.0) + return coarse_aperiodicity, rms + + +def d4c( + x: torch.Tensor, + f0: torch.Tensor, + t: torch.Tensor, + sr: int, + threshold: float = 0.85, + n_fft_spec: Optional[int] = None, + coarse_only: bool = False, +) -> tuple[torch.Tensor, torch.Tensor]: + """Adapted from https://github.com/tuanad121/Python-WORLD/blob/master/world/d4c.py""" + FLOOR_F0 = 71 + FLOOR_F0_D4C = 47 + UPPER_LIMIT = 15000 + FREQ_INTERVAL = 3000 + + assert sr == int(sr) + sr = int(sr) + assert sr % 2 == 0 + x = torch.as_tensor(x) + f0 = torch.as_tensor(f0) + temporal_positions = torch.as_tensor(t) + + n_fft_d4c = 1 << (4 * sr // FLOOR_F0_D4C).bit_length() + if n_fft_spec is None: + n_fft_spec = 1 << (3 * sr // FLOOR_F0).bit_length() + n_aperiodicities = min(UPPER_LIMIT, sr // 2 - FREQ_INTERVAL) // FREQ_INTERVAL + assert n_aperiodicities >= 1 + window_length = FREQ_INTERVAL * n_fft_d4c // sr * 2 + 1 + window = nuttall(window_length, device=x.device) + freq_axis = torch.arange(n_fft_spec // 2 + 1, device=x.device) * (sr / n_fft_spec) + + coarse_aperiodicity, rms = d4c_general_body( + x[..., None, :], + sr, + f0.clamp(min=FLOOR_F0_D4C), + FREQ_INTERVAL, + temporal_positions, + n_fft_d4c, + n_aperiodicities, + window, + ) + if coarse_only: + return coarse_aperiodicity, rms + + even_coarse_axis = ( + torch.arange(n_aperiodicities + 3, device=x.device) * FREQ_INTERVAL + ) + assert even_coarse_axis[-2] <= sr // 2 < even_coarse_axis[-1], sr + coarse_axis_low = ( + torch.arange(n_aperiodicities + 1, dtype=torch.float, device=x.device) + * FREQ_INTERVAL + ) + aperiodicity_low = interp( + coarse_axis_low, + F.pad(coarse_aperiodicity, (1, 0), value=-60.0), + freq_axis[freq_axis < n_aperiodicities * FREQ_INTERVAL], + ) + coarse_axis_high = torch.tensor( + [n_aperiodicities * FREQ_INTERVAL, sr * 0.5], device=x.device + ) + aperiodicity_high = interp( + coarse_axis_high, + F.pad(coarse_aperiodicity[..., -1:], (0, 1), value=-1e-12), + freq_axis[freq_axis >= n_aperiodicities * FREQ_INTERVAL], + ) + aperiodicity = torch.cat([aperiodicity_low, aperiodicity_high], -1) + aperiodicity = 10.0 ** (aperiodicity / 20.0) + vuv = d4c_love_train(x[..., None, :], sr, f0, temporal_positions, threshold) + aperiodicity = torch.where(vuv[..., None], aperiodicity, 1 - 1e-12) + + return aperiodicity, coarse_aperiodicity + + +class Vocoder(nn.Module): + def __init__( + self, + channels: int, + hop_length: int = 240, + n_pre_blocks: int = 4, + out_sample_rate: float = 24000.0, + ): + super().__init__() + self.hop_length = hop_length + self.out_sample_rate = out_sample_rate + + self.prenet = ConvNeXtStack( + in_channels=channels, + channels=channels, + intermediate_channels=channels * 3, + n_blocks=n_pre_blocks, + delay=2, # 20ms 遅延 + embed_kernel_size=7, + kernel_size=33, + enable_scaling=True, + ) + self.ir_generator = ConvNeXtStack( + in_channels=channels, + channels=channels, + intermediate_channels=channels * 3, + n_blocks=2, + delay=0, + embed_kernel_size=3, + kernel_size=33, + use_weight_standardization=True, + enable_scaling=True, + ) + self.ir_generator_post = WSConv1d(channels, 512, 1) + self.register_buffer("ir_scale", torch.tensor(1.0)) + self.ir_window = nn.Parameter(torch.ones(512)) + self.aperiodicity_generator = ConvNeXtStack( + in_channels=channels, + channels=channels, + intermediate_channels=channels * 3, + n_blocks=1, + delay=0, + embed_kernel_size=3, + kernel_size=33, + use_weight_standardization=True, + enable_scaling=True, + ) + self.aperiodicity_generator_post = WSConv1d(channels, hop_length, 1, bias=False) + self.register_buffer("aperiodicity_scale", torch.tensor(0.005)) + self.post_filter_generator = ConvNeXtStack( + in_channels=channels, + channels=channels, + intermediate_channels=channels * 3, + n_blocks=1, + delay=0, + embed_kernel_size=3, + kernel_size=33, + use_weight_standardization=True, + enable_scaling=True, + ) + self.post_filter_generator_post = WSConv1d(channels, 512, 1, bias=False) + self.register_buffer("post_filter_scale", torch.tensor(0.01)) + + def forward( + self, x: torch.Tensor, pitch: torch.Tensor + ) -> tuple[torch.Tensor, dict[str, torch.Tensor]]: + # x: [batch_size, channels, length] + # pitch: [batch_size, length] + batch_size, _, length = x.size() + + x = self.prenet(x) + ir = self.ir_generator(x) + ir = F.silu(ir, inplace=True) + # [batch_size, 512, length] + ir = self.ir_generator_post(ir) + ir *= self.ir_scale + ir_amp = ir[:, : ir.size(1) // 2 + 1, :].exp() + ir_phase = F.pad(ir[:, ir.size(1) // 2 + 1 :, :], (0, 0, 1, 1)) + ir_phase[:, 1::2, :] += math.pi + # TODO: 直流成分が正の値しか取れないのを修正する + + # 最近傍補間 + # [batch_size, length * hop_length] + pitch = torch.repeat_interleave(pitch, self.hop_length, dim=1) + + # [batch_size, length * hop_length] + periodic_signal = overlap_add( + ir_amp, + ir_phase, + self.ir_window, + pitch, + self.hop_length, + delay=0, + sr=self.out_sample_rate, + ) + + aperiodicity = self.aperiodicity_generator(x) + aperiodicity = F.silu(aperiodicity, inplace=True) + # [batch_size, hop_length, length] + aperiodicity = self.aperiodicity_generator_post(aperiodicity) + aperiodicity *= self.aperiodicity_scale + # [batch_size, length * hop_length], [batch_size, length * hop_length] + aperiodic_signal, noise_excitation = generate_noise(aperiodicity, delay=0) + + post_filter = self.post_filter_generator(x) + post_filter = F.silu(post_filter, inplace=True) + # [batch_size, 512, length] + post_filter = self.post_filter_generator_post(post_filter) + post_filter *= self.post_filter_scale + post_filter[:, 0, :] += 1.0 + # [batch_size, length, 512] + post_filter = post_filter.transpose(1, 2) + with torch.amp.autocast("cuda", enabled=False): + periodic_signal = periodic_signal.float() + aperiodic_signal = aperiodic_signal.float() + post_filter = post_filter.float() + post_filter = torch.fft.rfft(post_filter, n=768) + + # [batch_size, length, 768] + periodic_signal = torch.fft.irfft( + torch.fft.rfft( + periodic_signal.view(batch_size, length, self.hop_length), n=768 + ) + * post_filter, + n=768, + ) + aperiodic_signal = torch.fft.irfft( + torch.fft.rfft( + aperiodic_signal.view(batch_size, length, self.hop_length), n=768 + ) + * post_filter, + n=768, + ) + periodic_signal = F.fold( + periodic_signal.transpose(1, 2), + (1, (length - 1) * self.hop_length + 768), + (1, 768), + stride=(1, self.hop_length), + ).squeeze_((1, 2)) + aperiodic_signal = F.fold( + aperiodic_signal.transpose(1, 2), + (1, (length - 1) * self.hop_length + 768), + (1, 768), + stride=(1, self.hop_length), + ).squeeze_((1, 2)) + periodic_signal = periodic_signal[:, 120 : 120 + length * self.hop_length] + aperiodic_signal = aperiodic_signal[:, 120 : 120 + length * self.hop_length] + noise_excitation = noise_excitation[:, 120:] + + # TODO: compensation の正確さが怪しくなってくる。今も本当に必要なのか？ + + # [batch_size, 1, length * hop_length] + y_g_hat = (periodic_signal + aperiodic_signal)[:, None, :] + + y_g_hat = GradientEqualizerFunction.apply(y_g_hat) + + return y_g_hat, { + "periodic_signal": periodic_signal.detach(), + "aperiodic_signal": aperiodic_signal.detach(), + "noise_excitation": noise_excitation.detach(), + } + + def merge_weights(self): + self.prenet.merge_weights() + self.ir_generator.merge_weights() + self.ir_generator_post.merge_weights() + self.aperiodicity_generator.merge_weights() + self.aperiodicity_generator_post.merge_weights() + self.ir_generator_post.weight.data *= self.ir_scale + self.ir_generator_post.bias.data *= self.ir_scale + self.ir_scale.fill_(1.0) + self.aperiodicity_generator_post.weight.data *= self.aperiodicity_scale + self.aperiodicity_scale.fill_(1.0) + self.post_filter_generator.merge_weights() + self.post_filter_generator_post.merge_weights() + self.post_filter_generator_post.weight.data *= self.post_filter_scale + self.post_filter_scale.fill_(1.0) + + def dump(self, f: Union[BinaryIO, str, bytes, os.PathLike]): + if isinstance(f, (str, bytes, os.PathLike)): + with open(f, "wb") as f: + self.dump(f) + return + if not hasattr(f, "write"): + raise TypeError + + dump_layer(self.prenet, f) + dump_layer(self.ir_generator, f) + dump_layer(self.ir_generator_post, f) + dump_layer(self.ir_window, f) + dump_layer(self.aperiodicity_generator, f) + dump_layer(self.aperiodicity_generator_post, f) + dump_layer(self.post_filter_generator, f) + dump_layer(self.post_filter_generator_post, f) + + +def compute_loudness( + x: torch.Tensor, sr: int, win_lengths: list[int] +) -> list[torch.Tensor]: + # x: [batch_size, wav_length] + assert x.ndim == 2 + n_fft = 2048 + chunk_length = n_fft // 2 + n_taps = chunk_length + 1 + + results = [] + with torch.amp.autocast("cuda", enabled=False): + if not hasattr(compute_loudness, "filter"): + compute_loudness.filter = {} + if sr not in compute_loudness.filter: + ir = torch.zeros(n_taps, device=x.device, dtype=torch.double) + ir[0] = 0.5 + ir = torchaudio.functional.treble_biquad( + ir, sr, 4.0, 1500.0, 1.0 / math.sqrt(2) + ) + ir = torchaudio.functional.highpass_biquad(ir, sr, 38.0, 0.5) + ir *= 2.0 + compute_loudness.filter[sr] = torch.fft.rfft(ir, n=n_fft).to( + torch.complex64 + ) + + x = x.float() + wav_length = x.size(-1) + if wav_length % chunk_length != 0: + x = F.pad(x, (0, chunk_length - wav_length % chunk_length)) + padded_wav_length = x.size(-1) + x = x.view(x.size()[:-1] + (padded_wav_length // chunk_length, chunk_length)) + x = torch.fft.irfft( + torch.fft.rfft(x, n=n_fft) * compute_loudness.filter[sr], + n=n_fft, + ) + x = F.fold( + x.transpose(-2, -1), + (1, padded_wav_length + chunk_length), + (1, n_fft), + stride=(1, chunk_length), + ).squeeze_((-3, -2))[..., :wav_length] + + x.square_() + for win_length in win_lengths: + hop_length = win_length // 4 + # [..., n_frames] + energy = ( + x.unfold(-1, win_length, hop_length) + .matmul(torch.hann_window(win_length, device=x.device)) + .add_(win_length / 4.0 * 1e-5) + .log10_() + ) + # フィルタリング後の波形が振幅 1 の正弦波なら大体 log10(win_length/4), 1 の差は 10dB の差 + results.append(energy) + return results + + +def slice_segments( + x: torch.Tensor, start_indices: torch.Tensor, segment_length: int +) -> torch.Tensor: + batch_size, channels, _ = x.size() + # [batch_size, 1, segment_size] + indices = start_indices[:, None, None] + torch.arange( + segment_length, device=start_indices.device + ) + # [batch_size, channels, segment_size] + indices = indices.expand(batch_size, channels, segment_length) + return x.gather(2, indices) + + +class ConverterNetwork(nn.Module): + def __init__( + self, + phone_extractor: PhoneExtractor, + pitch_estimator: PitchEstimator, + n_speakers: int, + hidden_channels: int, + ): + super().__init__() + self.frozen_modules = { + "phone_extractor": phone_extractor.eval().requires_grad_(False), + "pitch_estimator": pitch_estimator.eval().requires_grad_(False), + } + self.out_sample_rate = out_sample_rate = 24000 + self.embed_phone = nn.Conv1d(256, hidden_channels, 1) + self.embed_phone.weight.data.normal_(0.0, math.sqrt(2.0 / (256 * 5))) + self.embed_phone.bias.data.zero_() + self.embed_quantized_pitch = nn.Embedding(384, hidden_channels) + phase = ( + torch.arange(384, dtype=torch.float)[:, None] + * ( + torch.arange(0, hidden_channels, 2, dtype=torch.float) + * (-math.log(10000.0) / hidden_channels) + ).exp_() + ) + self.embed_quantized_pitch.weight.data[:, 0::2] = phase.sin() + self.embed_quantized_pitch.weight.data[:, 1::2] = phase.cos_() + self.embed_quantized_pitch.weight.data *= math.sqrt(4.0 / 5.0) + self.embed_quantized_pitch.weight.requires_grad_(False) + self.embed_pitch_features = nn.Conv1d(4, hidden_channels, 1) + self.embed_pitch_features.weight.data.normal_(0.0, math.sqrt(2.0 / (4 * 5))) + self.embed_pitch_features.bias.data.zero_() + self.embed_speaker = nn.Embedding(n_speakers, hidden_channels) + self.embed_speaker.weight.data.normal_(0.0, math.sqrt(2.0 / 5.0)) + self.embed_formant_shift = nn.Embedding(9, hidden_channels) + self.embed_formant_shift.weight.data.normal_(0.0, math.sqrt(2.0 / 5.0)) + self.vocoder = Vocoder( + channels=hidden_channels, + hop_length=out_sample_rate // 100, + n_pre_blocks=4, + out_sample_rate=out_sample_rate, + ) + self.melspectrograms = nn.ModuleList() + for win_length, n_mels in [ + (32, 5), + (64, 10), + (128, 20), + (256, 40), + (512, 80), + (1024, 160), + (2048, 320), + ]: + self.melspectrograms.append( + torchaudio.transforms.MelSpectrogram( + sample_rate=out_sample_rate, + n_fft=win_length, + win_length=win_length, + hop_length=win_length // 4, + n_mels=n_mels, + power=2, + norm="slaney", + mel_scale="slaney", + ) + ) + + def _get_resampler( + self, orig_freq, new_freq, device, cache={} + ) -> torchaudio.transforms.Resample: + key = orig_freq, new_freq + if key in cache: + return cache[key] + resampler = torchaudio.transforms.Resample(orig_freq, new_freq).to( + device, non_blocking=True + ) + cache[key] = resampler + return resampler + + def forward( + self, + x: torch.Tensor, + target_speaker_id: torch.Tensor, + formant_shift_semitone: torch.Tensor, + pitch_shift_semitone: Optional[torch.Tensor] = None, + slice_start_indices: Optional[torch.Tensor] = None, + slice_segment_length: Optional[int] = None, + return_stats: bool = False, + ) -> Union[torch.Tensor, tuple[torch.Tensor, dict[str, float]]]: + # x: [batch_size, 1, wav_length] + # target_speaker_id: Long[batch_size] + # formant_shift_semitone: [batch_size] + # pitch_shift_semitone: [batch_size] + # slice_start_indices: [batch_size] + + batch_size, _, _ = x.size() + + with torch.inference_mode(): + phone_extractor: PhoneExtractor = self.frozen_modules["phone_extractor"] + pitch_estimator: PitchEstimator = self.frozen_modules["pitch_estimator"] + # [batch_size, 1, wav_length] -> [batch_size, phone_channels, length] + phone = phone_extractor.units(x).transpose(1, 2) + # [batch_size, 1, wav_length] -> [batch_size, pitch_channels, length], [batch_size, 1, length] + pitch, energy = pitch_estimator(x) + # augmentation + if self.training: + # [batch_size, pitch_channels - 1] + weights = pitch.softmax(1)[:, 1:, :].mean(2) + # [batch_size] + mean_pitch = ( + weights * torch.arange(1, 384, device=weights.device) + ).sum(1) / weights.sum(1) + mean_pitch = mean_pitch.round_().long() + target_pitch = torch.randint_like(mean_pitch, 64, 257) + shift = target_pitch - mean_pitch + shift_ratio = ( + 2.0 ** (shift.float() / pitch_estimator.bins_per_octave) + ).tolist() + shift = [] + interval_length = 100 # 1s + interval_zeros = torch.zeros( + (1, 1, interval_length * 160), device=x.device + ) + concatenated_shifted_x = [] + offsets = [0] + torch.backends.cudnn.benchmark = False + for i in range(batch_size): + shift_ratio_i = shift_ratio[i] + shift_ratio_fraction_i = Fraction.from_float( + shift_ratio_i + ).limit_denominator(30) + shift_numer_i = shift_ratio_fraction_i.numerator + shift_denom_i = shift_ratio_fraction_i.denominator + shift_ratio_i = shift_numer_i / shift_denom_i + shift_i = int( + round( + math.log2(shift_ratio_i) * pitch_estimator.bins_per_octave + ) + ) + shift.append(shift_i) + shift_ratio[i] = shift_ratio_i + # [1, 1, wav_length / shift_ratio] + with torch.amp.autocast("cuda", enabled=False): + shifted_x_i = self._get_resampler( + shift_numer_i, shift_denom_i, x.device + )(x[i])[None] + if shifted_x_i.size(2) % 160 != 0: + shifted_x_i = F.pad( + shifted_x_i, + (0, 160 - shifted_x_i.size(2) % 160), + mode="reflect", + ) + assert shifted_x_i.size(2) % 160 == 0 + offsets.append( + offsets[-1] + interval_length + shifted_x_i.size(2) // 160 + ) + concatenated_shifted_x.extend([interval_zeros, shifted_x_i]) + if offsets[-1] % 256 != 0: + # 長さが同じ方が何かのキャッシュが効いて早くなるようなので + # 適当に 256 の倍数になるようにパディングして長さのパターン数を減らす + concatenated_shifted_x.append( + torch.zeros( + (1, 1, (256 - offsets[-1] % 256) * 160), device=x.device + ) + ) + # [batch_size, 1, sum(wav_length) + batch_size * 16000] + concatenated_shifted_x = torch.cat(concatenated_shifted_x, dim=2) + assert concatenated_shifted_x.size(2) % (256 * 160) == 0 + # [1, pitch_channels, length / shift_ratio], [1, 1, length / shift_ratio] + concatenated_pitch, concatenated_energy = pitch_estimator( + concatenated_shifted_x + ) + for i in range(batch_size): + shift_i = shift[i] + shift_ratio_i = shift_ratio[i] + left = offsets[i] + interval_length + right = offsets[i + 1] + pitch_i = concatenated_pitch[:, :, left:right] + energy_i = concatenated_energy[:, :, left:right] + pitch_i = F.interpolate( + pitch_i, + scale_factor=shift_ratio_i, + mode="linear", + align_corners=False, + ) + energy_i = F.interpolate( + energy_i, + scale_factor=shift_ratio_i, + mode="linear", + align_corners=False, + ) + assert pitch_i.size(2) == energy_i.size(2) + assert abs(pitch_i.size(2) - pitch.size(2)) <= 10 + length = min(pitch_i.size(2), pitch.size(2)) + + if shift_i > 0: + pitch[i : i + 1, :1, :length] = pitch_i[:, :1, :length] + pitch[i : i + 1, 1:-shift_i, :length] = pitch_i[ + :, 1 + shift_i :, :length + ] + pitch[i : i + 1, -shift_i:, :length] = -10.0 + elif shift_i < 0: + pitch[i : i + 1, :1, :length] = pitch_i[:, :1, :length] + pitch[i : i + 1, 1 : 1 - shift_i, :length] = -10.0 + pitch[i : i + 1, 1 - shift_i :, :length] = pitch_i[ + :, 1:shift_i, :length + ] + energy[i : i + 1, :, :length] = energy_i[:, :, :length] + torch.backends.cudnn.benchmark = True + + # [batch_size, pitch_channels, length] -> Long[batch_size, length], [batch_size, 3, length] + quantized_pitch, pitch_features = pitch_estimator.sample_pitch( + pitch, return_features=True + ) + if pitch_shift_semitone is not None: + quantized_pitch = torch.where( + quantized_pitch == 0, + quantized_pitch, + ( + quantized_pitch + + ( + pitch_shift_semitone[:, None] + * (pitch_estimator.bins_per_octave / 12.0) + ) + .round_() + .long() + ).clamp_(1, 383), + ) + pitch = 55.0 * 2.0 ** ( + quantized_pitch.float() / pitch_estimator.bins_per_octave + ) + # phone が 2.5ms 先読みしているのに対して、 + # energy は 12.5ms, pitch_features は 22.5ms 先読みしているので、 + # ずらして phone に合わせる + energy = F.pad(energy[:, :, :-1], (1, 0), mode="reflect") + quantized_pitch = F.pad(quantized_pitch[:, :-2], (2, 0), mode="reflect") + pitch_features = F.pad(pitch_features[:, :, :-2], (2, 0), mode="reflect") + # [batch_size, 1, length], [batch_size, 3, length] -> [batch_size, 4, length] + pitch_features = torch.cat([energy, pitch_features], dim=1) + formant_shift_indices = ( + ((formant_shift_semitone + 2.0) * 2.0).round_().long() + ) + + phone = phone.clone() + quantized_pitch = quantized_pitch.clone() + pitch_features = pitch_features.clone() + formant_shift_indices = formant_shift_indices.clone() + pitch = pitch.clone() + + # [batch_sise, hidden_channels, length] + x = ( + self.embed_phone(phone) + + self.embed_quantized_pitch(quantized_pitch).transpose(1, 2) + + self.embed_pitch_features(pitch_features) + + ( + self.embed_speaker(target_speaker_id)[:, :, None] + + self.embed_formant_shift(formant_shift_indices)[:, :, None] + ) + ) + if slice_start_indices is not None: + assert slice_segment_length is not None + # [batch_size, hidden_channels, length] -> [batch_size, hidden_channels, segment_length] + x = slice_segments(x, slice_start_indices, slice_segment_length) + x = F.silu(x, inplace=True) + # [batch_size, hidden_channels, segment_length] -> [batch_size, 1, segment_length * 240] + y_g_hat, stats = self.vocoder(x, pitch) + stats["pitch"] = pitch + if return_stats: + return y_g_hat, stats + else: + return y_g_hat + + def _normalize_melsp(self, x): + return x.clamp(min=1e-10).log_().mul_(0.5) + + def forward_and_compute_loss( + self, + noisy_wavs_16k: torch.Tensor, + target_speaker_id: torch.Tensor, + formant_shift_semitone: torch.Tensor, + slice_start_indices: torch.Tensor, + slice_segment_length: int, + y_all: torch.Tensor, + enable_loss_ap: bool = False, + ) -> tuple[torch.Tensor, torch.Tensor, torch.Tensor, torch.Tensor]: + # noisy_wavs_16k: [batch_size, 1, wav_length] + # target_speaker_id: Long[batch_size] + # formant_shift_semitone: [batch_size] + # slice_start_indices: [batch_size] + # slice_segment_length: int + # y_all: [batch_size, 1, wav_length] + + stats = {} + loss_mel = 0.0 + + # [batch_size, 1, wav_length] -> [batch_size, 1, wav_length * 240] + y_hat_all, intermediates = self( + noisy_wavs_16k, + target_speaker_id, + formant_shift_semitone, + return_stats=True, + ) + + with torch.amp.autocast("cuda", enabled=False): + periodic_signal = intermediates["periodic_signal"].float() + aperiodic_signal = intermediates["aperiodic_signal"].float() + noise_excitation = intermediates["noise_excitation"].float() + periodic_signal = periodic_signal[:, : noise_excitation.size(1)] + aperiodic_signal = aperiodic_signal[:, : noise_excitation.size(1)] + y_hat_all = y_hat_all.float() + y_hat_all_truncated = y_hat_all.squeeze(1)[:, : periodic_signal.size(1)] + y_all_truncated = y_all.squeeze(1)[:, : periodic_signal.size(1)] + + for melspectrogram in self.melspectrograms: + melsp_periodic_signal = melspectrogram(periodic_signal) + melsp_aperiodic_signal = melspectrogram(aperiodic_signal) + melsp_noise_excitation = melspectrogram(noise_excitation) + # [1, n_mels, 1] + # 1/6 ... [-0.5, 0.5] の一様乱数の平均パワー + # 3/8 ... ハン窓をかけた時のパワー減衰 + # 0.5 ... 謎 + reference_melsp = melspectrogram.mel_scale( + torch.full( + (1, melspectrogram.n_fft // 2 + 1, 1), + (1 / 6) * (3 / 8) * 0.5 * melspectrogram.win_length, + device=noisy_wavs_16k.device, + ) + ) + aperiodic_ratio = melsp_aperiodic_signal / ( + melsp_periodic_signal + melsp_aperiodic_signal + 1e-5 + ) + compensation_ratio = reference_melsp / (melsp_noise_excitation + 1e-5) + + melsp_y_hat = melspectrogram(y_hat_all_truncated) + melsp_y_hat = melsp_y_hat * ( + (1.0 - aperiodic_ratio) + aperiodic_ratio * compensation_ratio + ) + y_hat_mel = self._normalize_melsp(melsp_y_hat) + + y_mel = self._normalize_melsp(melspectrogram(y_all_truncated)) + loss_mel_i = F.l1_loss(y_hat_mel, y_mel) + loss_mel += loss_mel_i + stats[ + f"loss_mel_{melspectrogram.win_length}_{melspectrogram.n_mels}" + ] = loss_mel_i.item() + + loss_mel /= len(self.melspectrograms) + + if enable_loss_ap: + t = ( + torch.arange(intermediates["pitch"].size(1), device=y_all.device) + * 0.01 + ) + y_coarse_aperiodicity, y_rms = d4c( + y_all.squeeze(1), + intermediates["pitch"], + t, + self.vocoder.out_sample_rate, + coarse_only=True, + ) + y_coarse_aperiodicity = 10.0 ** (y_coarse_aperiodicity / 10.0) + y_hat_coarse_aperiodicity, y_hat_rms = d4c( + y_hat_all.squeeze(1), + intermediates["pitch"], + t, + self.vocoder.out_sample_rate, + coarse_only=True, + ) + y_hat_coarse_aperiodicity = 10.0 ** (y_hat_coarse_aperiodicity / 10.0) + rms = torch.maximum(y_rms, y_hat_rms) + loss_ap = F.mse_loss( + y_hat_coarse_aperiodicity, y_coarse_aperiodicity, reduction="none" + ) + loss_ap *= (rms / (rms + 1e-3))[:, :, None] + loss_ap = loss_ap.mean() + else: + loss_ap = torch.tensor(0.0) + + # [batch_size, 1, wav_length] -> [batch_size, 1, slice_segment_length * 240] + y_hat = slice_segments( + y_hat_all, slice_start_indices * 240, slice_segment_length * 240 + ) + # [batch_size, 1, wav_length] -> [batch_size, 1, slice_segment_length * 240] + y = slice_segments(y_all, slice_start_indices * 240, slice_segment_length * 240) + return y, y_hat, y_hat_all, loss_mel, loss_ap, stats + + def merge_weights(self): + self.vocoder.merge_weights() + + def dump(self, f: Union[BinaryIO, str, bytes, os.PathLike]): + if isinstance(f, (str, bytes, os.PathLike)): + with open(f, "wb") as f: + self.dump(f) + return + if not hasattr(f, "write"): + raise TypeError + + dump_layer(self.embed_phone, f) + dump_layer(self.embed_quantized_pitch, f) + dump_layer(self.embed_pitch_features, f) + dump_layer(self.vocoder, f) + + +# Discriminator + + +def _normalize(tensor: torch.Tensor, dim: int) -> torch.Tensor: + denom = tensor.norm(p=2.0, dim=dim, keepdim=True).clamp_min(1e-6) + return tensor / denom + + +class SANConv2d(nn.Conv2d): + def __init__( + self, + in_channels: int, + out_channels: int, + kernel_size: int, + stride: int = 1, + padding: int = 0, + dilation: int = 1, + bias: bool = True, + padding_mode="zeros", + device=None, + dtype=None, + ): + super().__init__( + in_channels, + out_channels, + kernel_size, + stride, + padding=padding, + dilation=dilation, + groups=1, + bias=bias, + padding_mode=padding_mode, + device=device, + dtype=dtype, + ) + scale = self.weight.norm(p=2.0, dim=[1, 2, 3], keepdim=True).clamp_min(1e-6) + self.weight = nn.parameter.Parameter(self.weight / scale.expand_as(self.weight)) + self.scale = nn.parameter.Parameter(scale.view(out_channels)) + if bias: + self.bias = nn.parameter.Parameter( + torch.zeros(in_channels, device=device, dtype=dtype) + ) + else: + self.register_parameter("bias", None) + + def forward( + self, input: torch.Tensor, flg_san_train: bool = False + ) -> Union[torch.Tensor, tuple[torch.Tensor, torch.Tensor]]: + if self.bias is not None: + input = input + self.bias.view(self.in_channels, 1, 1) + normalized_weight = self._get_normalized_weight() + scale = self.scale.view(self.out_channels, 1, 1) + if flg_san_train: + out_fun = F.conv2d( + input, + normalized_weight.detach(), + None, + self.stride, + self.padding, + self.dilation, + self.groups, + ) + out_dir = F.conv2d( + input.detach(), + normalized_weight, + None, + self.stride, + self.padding, + self.dilation, + self.groups, + ) + out = out_fun * scale, out_dir * scale.detach() + else: + out = F.conv2d( + input, + normalized_weight, + None, + self.stride, + self.padding, + self.dilation, + self.groups, + ) + out = out * scale + return out + + @torch.no_grad() + def normalize_weight(self): + self.weight.data = self._get_normalized_weight() + + def _get_normalized_weight(self) -> torch.Tensor: + return _normalize(self.weight, dim=[1, 2, 3]) + + +def get_padding(kernel_size: int, dilation: int = 1) -> int: + return (kernel_size * dilation - dilation) // 2 + + +class DiscriminatorP(nn.Module): + def __init__( + self, period: int, kernel_size: int = 5, stride: int = 3, san: bool = False + ): + super().__init__() + self.period = period + self.san = san + # fmt: off + self.convs = nn.ModuleList([ + weight_norm(nn.Conv2d(1, 32, (kernel_size, 1), (stride, 1), (get_padding(kernel_size, 1), 0))), + weight_norm(nn.Conv2d(32, 128, (kernel_size, 1), (stride, 1), (get_padding(kernel_size, 1), 0))), + weight_norm(nn.Conv2d(128, 512, (kernel_size, 1), (stride, 1), (get_padding(kernel_size, 1), 0))), + weight_norm(nn.Conv2d(512, 1024, (kernel_size, 1), (stride, 1), (get_padding(kernel_size, 1), 0))), + weight_norm(nn.Conv2d(1024, 1024, (kernel_size, 1), 1, (get_padding(kernel_size, 1), 0))), + ]) + # fmt: on + if san: + self.conv_post = SANConv2d(1024, 1, (3, 1), 1, (1, 0)) + else: + self.conv_post = weight_norm(nn.Conv2d(1024, 1, (3, 1), 1, (1, 0))) + + def forward( + self, x: torch.Tensor, flg_san_train: bool = False + ) -> tuple[ + Union[torch.Tensor, tuple[torch.Tensor, torch.Tensor]], list[torch.Tensor] + ]: + fmap = [] + + b, c, t = x.shape + if t % self.period != 0: + n_pad = self.period - (t % self.period) + x = F.pad(x, (0, n_pad), "reflect") + t = t + n_pad + x = x.view(b, c, t // self.period, self.period) + + for l in self.convs: + x = l(x) + x = F.silu(x, inplace=True) + fmap.append(x) + if self.san: + x = self.conv_post(x, flg_san_train=flg_san_train) + else: + x = self.conv_post(x) + if flg_san_train: + x_fun, x_dir = x + fmap.append(x_fun) + x_fun = torch.flatten(x_fun, 1, -1) + x_dir = torch.flatten(x_dir, 1, -1) + x = x_fun, x_dir + else: + fmap.append(x) + x = torch.flatten(x, 1, -1) + return x, fmap + + +class DiscriminatorR(nn.Module): + def __init__(self, resolution: int, san: bool = False): + super().__init__() + self.resolution = resolution + self.san = san + assert len(self.resolution) == 3 + self.convs = nn.ModuleList( + [ + weight_norm(nn.Conv2d(1, 32, (3, 9), padding=(1, 4))), + weight_norm(nn.Conv2d(32, 32, (3, 9), (1, 2), (1, 4))), + weight_norm(nn.Conv2d(32, 32, (3, 9), (1, 2), (1, 4))), + weight_norm(nn.Conv2d(32, 32, (3, 9), (1, 2), (1, 4))), + weight_norm(nn.Conv2d(32, 32, (3, 3), padding=(1, 1))), + ] + ) + if san: + self.conv_post = SANConv2d(32, 1, (3, 3), padding=(1, 1)) + else: + self.conv_post = weight_norm(nn.Conv2d(32, 1, (3, 3), padding=(1, 1))) + + def forward( + self, x: torch.Tensor, flg_san_train: bool = False + ) -> tuple[ + Union[torch.Tensor, tuple[torch.Tensor, torch.Tensor]], list[torch.Tensor] + ]: + fmap = [] + + x = self._spectrogram(x).unsqueeze(1) + for l in self.convs: + x = l(x) + x = F.silu(x, inplace=True) + fmap.append(x) + if self.san: + x = self.conv_post(x, flg_san_train=flg_san_train) + else: + x = self.conv_post(x) + if flg_san_train: + x_fun, x_dir = x + fmap.append(x_fun) + x_fun = torch.flatten(x_fun, 1, -1) + x_dir = torch.flatten(x_dir, 1, -1) + x = x_fun, x_dir + else: + fmap.append(x) + x = torch.flatten(x, 1, -1) + + return x, fmap + + def _spectrogram(self, x: torch.Tensor) -> torch.Tensor: + n_fft, hop_length, win_length = self.resolution + x = F.pad( + x, ((n_fft - hop_length) // 2, (n_fft - hop_length) // 2), mode="reflect" + ).squeeze(1) + with torch.amp.autocast("cuda", enabled=False): + mag = torch.stft( + x.float(), + n_fft=n_fft, + hop_length=hop_length, + win_length=win_length, + window=torch.ones(win_length, device=x.device), + center=False, + return_complex=True, + ).abs() + + return mag + + +class MultiPeriodDiscriminator(nn.Module): + def __init__(self, san: bool = False): + super().__init__() + resolutions = [[1024, 120, 600], [2048, 240, 1200], [512, 50, 240]] + periods = [2, 3, 5, 7, 11] + self.discriminators = nn.ModuleList( + [DiscriminatorR(r, san=san) for r in resolutions] + + [DiscriminatorP(p, san=san) for p in periods] + ) + self.discriminator_names = [f"R_{n}_{h}_{w}" for n, h, w in resolutions] + [ + f"P_{p}" for p in periods + ] + self.san = san + + def forward( + self, y: torch.Tensor, y_hat: torch.Tensor, flg_san_train: bool = False + ) -> tuple[ + list[Union[torch.Tensor, tuple[torch.Tensor, torch.Tensor]]], + list[Union[torch.Tensor, tuple[torch.Tensor, torch.Tensor]]], + list[list[torch.Tensor]], + list[list[torch.Tensor]], + ]: + batch_size = y.size(0) + concatenated_y_y_hat = torch.cat([y, y_hat]) + y_d_rs = [] + y_d_gs = [] + fmap_rs = [] + fmap_gs = [] + for d in self.discriminators: + if flg_san_train: + (y_d_fun, y_d_dir), fmap = d( + concatenated_y_y_hat, flg_san_train=flg_san_train + ) + y_d_r_fun, y_d_g_fun = torch.split(y_d_fun, batch_size) + y_d_r_dir, y_d_g_dir = torch.split(y_d_dir, batch_size) + y_d_r = y_d_r_fun, y_d_r_dir + y_d_g = y_d_g_fun, y_d_g_dir + else: + y_d, fmap = d(concatenated_y_y_hat, flg_san_train=flg_san_train) + y_d_r, y_d_g = torch.split(y_d, batch_size) + fmap_r = [] + fmap_g = [] + for fm in fmap: + fm_r, fm_g = torch.split(fm, batch_size) + fmap_r.append(fm_r) + fmap_g.append(fm_g) + y_d_rs.append(y_d_r) + y_d_gs.append(y_d_g) + fmap_rs.append(fmap_r) + fmap_gs.append(fmap_g) + return y_d_rs, y_d_gs, fmap_rs, fmap_gs + + def forward_and_compute_loss( + self, y: torch.Tensor, y_hat: torch.Tensor + ) -> tuple[torch.Tensor, torch.Tensor, torch.Tensor, dict[str, float]]: + y_d_rs, y_d_gs, fmap_rs, fmap_gs = self(y, y_hat, flg_san_train=self.san) + stats = {} + assert len(y_d_gs) == len(y_d_rs) == len(self.discriminators) + with torch.amp.autocast("cuda", enabled=False): + # discriminator loss + d_loss = 0.0 + for dr, dg, name in zip(y_d_rs, y_d_gs, self.discriminator_names): + if self.san: + dr_fun, dr_dir = map(lambda x: x.float(), dr) + dg_fun, dg_dir = map(lambda x: x.float(), dg) + r_loss_fun = F.softplus(1.0 - dr_fun).square().mean() + g_loss_fun = F.softplus(dg_fun).square().mean() + r_loss_dir = F.softplus(1.0 - dr_dir).square().mean() + g_loss_dir = -F.softplus(1.0 - dg_dir).square().mean() + r_loss = r_loss_fun + r_loss_dir + g_loss = g_loss_fun + g_loss_dir + else: + dr = dr.float() + dg = dg.float() + r_loss = (1.0 - dr).square().mean() + g_loss = dg.square().mean() + stats[f"{name}_dr_loss"] = r_loss.item() + stats[f"{name}_dg_loss"] = g_loss.item() + d_loss += r_loss + g_loss + # adversarial loss + adv_loss = 0.0 + for dg, name in zip(y_d_gs, self.discriminator_names): + dg = dg.float() + if self.san: + g_loss = F.softplus(1.0 - dg).square().mean() + else: + g_loss = (1.0 - dg).square().mean() + stats[f"{name}_gg_loss"] = g_loss.item() + adv_loss += g_loss + # feature mathcing loss + fm_loss = 0.0 + for fr, fg, name in zip(fmap_rs, fmap_gs, self.discriminator_names): + fm_loss_i = 0.0 + for j, (r, g) in enumerate(zip(fr, fg)): + fm_loss_ij = (r.detach().float() - g.float()).abs().mean() + stats[f"~{name}_fm_loss_{j}"] = fm_loss_ij.item() + fm_loss_i += fm_loss_ij + stats[f"{name}_fm_loss"] = fm_loss_i.item() + fm_loss += fm_loss_i + return d_loss, adv_loss, fm_loss, stats + + +# %% [markdown] +# ## Utilities + + +# %% +class GradBalancer: + """Adapted from https://github.com/facebookresearch/encodec/blob/main/encodec/balancer.py""" + + def __init__( + self, + weights: dict[str, float], + rescale_grads: bool = True, + total_norm: float = 1.0, + ema_decay: float = 0.999, + per_batch_item: bool = True, + ): + self.weights = weights + self.per_batch_item = per_batch_item + self.total_norm = total_norm + self.ema_decay = ema_decay + self.rescale_grads = rescale_grads + + self.ema_total: dict[str, float] = defaultdict(float) + self.ema_fix: dict[str, float] = defaultdict(float) + + def backward( + self, + losses: dict[str, torch.Tensor], + input: torch.Tensor, + scaler: Optional[torch.amp.GradScaler] = None, + skip_update_ema: bool = False, + ) -> dict[str, float]: + stats = {} + if skip_update_ema: + assert len(losses) == len(self.ema_total) + ema_norms = {k: tot / self.ema_fix[k] for k, tot in self.ema_total.items()} + else: + # 各 loss に対して d loss / d input とそのノルムを計算する + norms = {} + grads = {} + for name, loss in losses.items(): + if scaler is not None: + loss = scaler.scale(loss) + (grad,) = torch.autograd.grad(loss, [input], retain_graph=True) + if not grad.isfinite().all(): + input.backward(grad) + return {} + grad = grad.detach() / (1.0 if scaler is None else scaler.get_scale()) + if self.per_batch_item: + dims = tuple(range(1, grad.dim())) + ema_norm = grad.norm(dim=dims).mean() + else: + ema_norm = grad.norm() + norms[name] = float(ema_norm) + grads[name] = grad + + # ノルムの移動平均を計算する + for key, value in norms.items(): + self.ema_total[key] = self.ema_total[key] * self.ema_decay + value + self.ema_fix[key] = self.ema_fix[key] * self.ema_decay + 1.0 + ema_norms = {k: tot / self.ema_fix[k] for k, tot in self.ema_total.items()} + + # ログを取る + total_ema_norm = sum(ema_norms.values()) + for k, ema_norm in ema_norms.items(): + stats[f"grad_norm_value_{k}"] = ema_norm + stats[f"grad_norm_ratio_{k}"] = ema_norm / (total_ema_norm + 1e-12) + + # loss の係数の比率を計算する + if self.rescale_grads: + total_weights = sum([self.weights[k] for k in ema_norms]) + ratios = {k: w / total_weights for k, w in self.weights.items()} + + # 勾配を修正する + loss = 0.0 + for name, ema_norm in ema_norms.items(): + if self.rescale_grads: + scale = ratios[name] * self.total_norm / (ema_norm + 1e-12) + else: + scale = self.weights[name] + loss += (losses if skip_update_ema else grads)[name] * scale + if scaler is not None: + loss = scaler.scale(loss) + if skip_update_ema: + (loss,) = torch.autograd.grad(loss, [input]) + input.backward(loss) + return stats + + def state_dict(self) -> dict[str, dict[str, float]]: + return { + "ema_total": dict(self.ema_total), + "ema_fix": dict(self.ema_fix), + } + + def load_state_dict(self, state_dict): + self.ema_total = defaultdict(float, state_dict["ema_total"]) + self.ema_fix = defaultdict(float, state_dict["ema_fix"]) + + +class QualityTester(nn.Module): + def __init__(self): + super().__init__() + self.utmos = torch.hub.load( + "tarepan/SpeechMOS:v1.0.0", "utmos22_strong", trust_repo=True + ).eval() + + @torch.inference_mode() + def compute_mos(self, wav: torch.Tensor) -> dict[str, list[float]]: + res = {"utmos": self.utmos(wav, sr=16000).tolist()} + return res + + def test( + self, converted_wav: torch.Tensor, source_wav: torch.Tensor + ) -> dict[str, list[float]]: + # [batch_size, wav_length] + res = {} + res.update(self.compute_mos(converted_wav)) + return res + + def test_many( + self, converted_wavs: list[torch.Tensor], source_wavs: list[torch.Tensor] + ) -> tuple[dict[str, float], dict[str, list[float]]]: + # list[batch_size, wav_length] + results = defaultdict(list) + assert len(converted_wavs) == len(source_wavs) + for converted_wav, source_wav in zip(converted_wavs, source_wavs): + res = self.test(converted_wav, source_wav) + for metric_name, value in res.items(): + results[metric_name].extend(value) + return { + metric_name: sum(values) / len(values) + for metric_name, values in results.items() + }, results + + +def compute_grad_norm( + model: nn.Module, return_stats: bool = False +) -> Union[float, dict[str, float]]: + total_norm = 0.0 + stats = {} + for name, p in model.named_parameters(): + if p.grad is None: + continue + param_norm = p.grad.data.norm().item() + if not math.isfinite(param_norm): + param_norm = p.grad.data.float().norm().item() + total_norm += param_norm * param_norm + if return_stats: + stats[f"grad_norm_{name}"] = param_norm + total_norm = math.sqrt(total_norm) + if return_stats: + return total_norm, stats + else: + return total_norm + + +def compute_mean_f0( + files: list[Path], method: Literal["dio", "harvest"] = "dio" +) -> float: + sum_log_f0 = 0.0 + n_frames = 0 + for file in files: + wav, sr = torchaudio.load(file, backend="soundfile") + if method == "dio": + f0, _ = pyworld.dio(wav.ravel().numpy().astype(np.float64), sr) + elif method == "harvest": + f0, _ = pyworld.harvest(wav.ravel().numpy().astype(np.float64), sr) + else: + raise ValueError(f"Invalid method: {method}") + f0 = f0[f0 > 0] + sum_log_f0 += float(np.log(f0).sum()) + n_frames += len(f0) + if n_frames == 0: + return math.nan + mean_log_f0 = sum_log_f0 / n_frames + return math.exp(mean_log_f0) + + +# %% [markdown] +# ## Dataset + + +# %% +def get_resampler( + sr_before: int, sr_after: int, device="cpu", cache={} +) -> torchaudio.transforms.Resample: + if not isinstance(device, str): + device = str(device) + if (sr_before, sr_after, device) not in cache: + cache[(sr_before, sr_after, device)] = torchaudio.transforms.Resample( + sr_before, sr_after + ).to(device) + return cache[(sr_before, sr_after, device)] + + +def convolve(signal: torch.Tensor, ir: torch.Tensor) -> torch.Tensor: + n = 1 << (signal.size(-1) + ir.size(-1) - 2).bit_length() + res = torch.fft.irfft(torch.fft.rfft(signal, n=n) * torch.fft.rfft(ir, n=n), n=n) + return res[..., : signal.size(-1)] + + +def random_filter(audio: torch.Tensor) -> torch.Tensor: + assert audio.ndim == 2 + ab = torch.rand(audio.size(0), 6) * 0.75 - 0.375 + a, b = ab[:, :3], ab[:, 3:] + a[:, 0] = 1.0 + b[:, 0] = 1.0 + audio = torchaudio.functional.lfilter(audio, a, b, clamp=False) + return audio + + +def get_noise( + n_samples: int, sample_rate: float, files: list[Union[str, bytes, os.PathLike]] +) -> torch.Tensor: + resample_augmentation_candidates = [0.9, 0.95, 1.0, 1.05, 1.1] + wavs = [] + current_length = 0 + while current_length < n_samples: + idx_files = torch.randint(0, len(files), ()) + file = files[idx_files] + wav, sr = torchaudio.load(file, backend="soundfile") + assert wav.size(0) == 1 + augmented_sample_rate = int( + round( + sample_rate + * resample_augmentation_candidates[ + torch.randint(0, len(resample_augmentation_candidates), ()) + ] + ) + ) + resampler = get_resampler(sr, augmented_sample_rate) + wav = resampler(wav) + wav = random_filter(wav) + wav *= 0.99 / (wav.abs().max() + 1e-5) + wavs.append(wav) + current_length += wav.size(1) + start = torch.randint(0, current_length - n_samples + 1, ()) + wav = torch.cat(wavs, dim=1)[:, start : start + n_samples] + assert wav.size() == (1, n_samples), wav.size() + return wav + + +def get_butterworth_lpf( + cutoff_freq: int, sample_rate: int, cache={} +) -> tuple[torch.Tensor, torch.Tensor]: + if (cutoff_freq, sample_rate) not in cache: + q = math.sqrt(0.5) + omega = math.tau * cutoff_freq / sample_rate + cos_omega = math.cos(omega) + alpha = math.sin(omega) / (2.0 * q) + b1 = (1.0 - cos_omega) / (1.0 + alpha) + b0 = b1 * 0.5 + a1 = -2.0 * cos_omega / (1.0 + alpha) + a2 = (1.0 - alpha) / (1.0 + alpha) + cache[(cutoff_freq, sample_rate)] = torch.tensor([b0, b1, b0]), torch.tensor( + [1.0, a1, a2] + ) + return cache[(cutoff_freq, sample_rate)] + + +def augment_audio( + clean: torch.Tensor, + sample_rate: int, + noise_files: list[Union[str, bytes, os.PathLike]], + ir_files: list[Union[str, bytes, os.PathLike]], +) -> torch.Tensor: + # [1, wav_length] + assert clean.size(0) == 1 + n_samples = clean.size(1) + + snr_candidates = [-20, -25, -30, -35, -40, -45] + + original_clean_rms = clean.square().mean().sqrt_() + + # noise を取得して clean と concat する + noise = get_noise(n_samples, sample_rate, noise_files) + signals = torch.cat([clean, noise]) + + # clean, noise に異なるランダムフィルタをかける + signals = random_filter(signals) + + # clean, noise にリバーブをかける + if torch.rand(()) < 0.5: + ir_file = ir_files[torch.randint(0, len(ir_files), ())] + ir, sr = torchaudio.load(ir_file, backend="soundfile") + assert ir.size() == (2, sr), ir.size() + assert sr == sample_rate, (sr, sample_rate) + signals = convolve(signals, ir) + + # clean, noise に同じ LPF をかける + if torch.rand(()) < 0.2: + if signals.abs().max() > 0.8: + signals /= signals.abs().max() * 1.25 + cutoff_freq_candidates = [2000, 3000, 4000, 6000] + cutoff_freq = cutoff_freq_candidates[ + torch.randint(0, len(cutoff_freq_candidates), ()) + ] + b, a = get_butterworth_lpf(cutoff_freq, sample_rate) + signals = torchaudio.functional.lfilter(signals, a, b, clamp=False) + + # clean の音量を合わせる + clean, noise = signals + clean_rms = clean.square().mean().sqrt_() + clean *= original_clean_rms / clean_rms + + # clean, noise の音量をピークを重視して取る + clean_level = clean.square().square_().mean().sqrt_().sqrt_() + noise_level = noise.square().square_().mean().sqrt_().sqrt_() + # SNR + snr = snr_candidates[torch.randint(0, len(snr_candidates), ())] + # noisy を生成 + noisy = clean + noise * (10.0 ** (snr / 20.0) * clean_level / (noise_level + 1e-5)) + return noisy + + +class WavDataset(torch.utils.data.Dataset): + def __init__( + self, + audio_files: list[tuple[Path, int]], + in_sample_rate: int = 16000, + out_sample_rate: int = 24000, + wav_length: int = 4 * 24000, # 4s + segment_length: int = 100, # 1s + noise_files: Optional[list[Union[str, bytes, os.PathLike]]] = None, + ir_files: Optional[list[Union[str, bytes, os.PathLike]]] = None, + ): + self.audio_files = audio_files + self.in_sample_rate = in_sample_rate + self.out_sample_rate = out_sample_rate + self.wav_length = wav_length + self.segment_length = segment_length + self.noise_files = noise_files + self.ir_files = ir_files + + if (noise_files is None) is not (ir_files is None): + raise ValueError("noise_files and ir_files must be both None or not None") + + self.in_hop_length = in_sample_rate // 100 + self.out_hop_length = out_sample_rate // 100 # 10ms 刻み + + def __getitem__(self, index: int) -> tuple[torch.Tensor, torch.Tensor, int, int]: + file, speaker_id = self.audio_files[index] + clean_wav, sample_rate = torchaudio.load(file, backend="soundfile") + if clean_wav.size(0) != 1: + ch = torch.randint(0, clean_wav.size(0), ()) + clean_wav = clean_wav[ch : ch + 1] + + formant_shift_candidates = [-2.0, -1.5, -1.0, -0.5, 0.0, 0.5, 1.0, 1.5, 2.0] + formant_shift = formant_shift_candidates[ + torch.randint(0, len(formant_shift_candidates), ()).item() + ] + + resampler_fraction = Fraction( + sample_rate / self.out_sample_rate * 2.0 ** (formant_shift / 12.0) + ).limit_denominator(300) + clean_wav = get_resampler( + resampler_fraction.numerator, resampler_fraction.denominator + )(clean_wav) + + assert clean_wav.size(0) == 1 + assert clean_wav.size(1) != 0 + + clean_wav = F.pad(clean_wav, (self.wav_length, self.wav_length)) + + if self.noise_files is None: + assert False + noisy_wav_16k = get_resampler(self.out_sample_rate, self.in_sample_rate)( + clean_wav + ) + else: + clean_wav_16k = get_resampler(self.out_sample_rate, self.in_sample_rate)( + clean_wav + ) + noisy_wav_16k = augment_audio( + clean_wav_16k, self.in_sample_rate, self.noise_files, self.ir_files + ) + + clean_wav = clean_wav.squeeze_(0) + noisy_wav_16k = noisy_wav_16k.squeeze_(0) + + # 音量をランダマイズする + amplitude = torch.rand(()).item() * 0.899 + 0.1 + factor = amplitude / clean_wav.abs().max() + clean_wav *= factor + noisy_wav_16k *= factor + while noisy_wav_16k.abs().max() >= 1.0: + clean_wav *= 0.5 + noisy_wav_16k *= 0.5 + + return clean_wav, noisy_wav_16k, speaker_id, formant_shift + + def __len__(self) -> int: + return len(self.audio_files) + + def collate( + self, batch: list[tuple[torch.Tensor, torch.Tensor, int, int]] + ) -> tuple[torch.Tensor, torch.Tensor, torch.Tensor, torch.Tensor, torch.Tensor]: + assert self.wav_length % self.out_hop_length == 0 + length = self.wav_length // self.out_hop_length + clean_wavs = [] + noisy_wavs = [] + slice_starts = [] + speaker_ids = [] + formant_shifts = [] + for clean_wav, noisy_wav, speaker_id, formant_shift in batch: + # 発声部分をランダムに 1 箇所選ぶ + (voiced,) = clean_wav.nonzero(as_tuple=True) + assert voiced.numel() != 0 + center = voiced[torch.randint(0, voiced.numel(), ()).item()].item() + # 発声部分が中央にくるように、スライス区間を選ぶ + slice_start = center - self.segment_length * self.out_hop_length // 2 + assert slice_start >= 0 + # スライス区間が含まれるように、ランダムに wav_length の長さを切り出す + r = torch.randint(0, length - self.segment_length + 1, ()).item() + offset = slice_start - r * self.out_hop_length + clean_wavs.append(clean_wav[offset : offset + self.wav_length]) + offset_in_sample_rate = int( + round(offset * self.in_sample_rate / self.out_sample_rate) + ) + noisy_wavs.append( + noisy_wav[ + offset_in_sample_rate : offset_in_sample_rate + + length * self.in_hop_length + ] + ) + slice_start = r + slice_starts.append(slice_start) + speaker_ids.append(speaker_id) + formant_shifts.append(formant_shift) + clean_wavs = torch.stack(clean_wavs) + noisy_wavs = torch.stack(noisy_wavs) + slice_starts = torch.tensor(slice_starts) + speaker_ids = torch.tensor(speaker_ids) + formant_shifts = torch.tensor(formant_shifts) + return ( + clean_wavs, # [batch_size, wav_length] + noisy_wavs, # [batch_size, wav_length] + slice_starts, # Long[batch_size] + speaker_ids, # Long[batch_size] + formant_shifts, # Long[batch_size] + ) + + +# %% [markdown] +# ## Train + +# %% +AUDIO_FILE_SUFFIXES = { + ".wav", + ".aif", + ".aiff", + ".fla", + ".flac", + ".oga", + ".ogg", + ".opus", + ".mp3", +} + + +def prepare_training(): + # 各種準備をする + # 副作用として、出力ディレクトリと TensorBoard のログファイルなどが生成される + + device = torch.device("cuda" if torch.cuda.is_available() else "cpu") + print(f"device={device}") + + torch.backends.cudnn.benchmark = True + torch.backends.cuda.matmul.allow_tf32 = True + + (h, in_wav_dataset_dir, out_dir, resume, skip_training) = ( + prepare_training_configs_for_experiment + if is_notebook() + else prepare_training_configs + )() + + print("config:") + pprint(h) + print() + h = AttrDict(h) + + if not in_wav_dataset_dir.is_dir(): + raise ValueError(f"{in_wav_dataset_dir} is not found.") + if resume: + latest_checkpoint_file = out_dir / "checkpoint_latest.pt" + if not latest_checkpoint_file.is_file(): + raise ValueError(f"{latest_checkpoint_file} is not found.") + else: + if out_dir.is_dir(): + if (out_dir / "checkpoint_latest.pt").is_file(): + raise ValueError( + f"{out_dir / 'checkpoint_latest.pt'} already exists. " + "Please specify a different output directory, or use --resume option." + ) + for file in out_dir.iterdir(): + if file.suffix == ".pt": + raise ValueError( + f"{out_dir} already contains model files. " + "Please specify a different output directory." + ) + else: + out_dir.mkdir(parents=True) + + in_ir_wav_dir = repo_root() / h.in_ir_wav_dir + in_noise_wav_dir = repo_root() / h.in_noise_wav_dir + in_test_wav_dir = repo_root() / h.in_test_wav_dir + + assert in_wav_dataset_dir.is_dir(), in_wav_dataset_dir + assert out_dir.is_dir(), out_dir + assert in_ir_wav_dir.is_dir(), in_ir_wav_dir + assert in_noise_wav_dir.is_dir(), in_noise_wav_dir + assert in_test_wav_dir.is_dir(), in_test_wav_dir + + # .wav または *.flac のファイルを再帰的に取得 + noise_files = sorted( + list(in_noise_wav_dir.rglob("*.wav")) + list(in_noise_wav_dir.rglob("*.flac")) + ) + if len(noise_files) == 0: + raise ValueError(f"No audio data found in {in_noise_wav_dir}.") + ir_files = sorted( + list(in_ir_wav_dir.rglob("*.wav")) + list(in_ir_wav_dir.rglob("*.flac")) + ) + if len(ir_files) == 0: + raise ValueError(f"No audio data found in {in_ir_wav_dir}.") + + # TODO: 無音除去とか + + def get_training_filelist(in_wav_dataset_dir: Path): + min_data_per_speaker = 1 + speakers: list[str] = [] + training_filelist: list[tuple[Path, int]] = [] + speaker_audio_files: list[list[Path]] = [] + for speaker_dir in sorted(in_wav_dataset_dir.iterdir()): + if not speaker_dir.is_dir(): + continue + candidates = [] + for wav_file in sorted(speaker_dir.rglob("*")): + if ( + not wav_file.is_file() + or wav_file.suffix.lower() not in AUDIO_FILE_SUFFIXES + ): + continue + candidates.append(wav_file) + if len(candidates) >= min_data_per_speaker: + speaker_id = len(speakers) + speakers.append(speaker_dir.name) + training_filelist.extend([(file, speaker_id) for file in candidates]) + speaker_audio_files.append(candidates) + return speakers, training_filelist, speaker_audio_files + + speakers, training_filelist, speaker_audio_files = get_training_filelist( + in_wav_dataset_dir + ) + n_speakers = len(speakers) + if n_speakers == 0: + raise ValueError(f"No speaker data found in {in_wav_dataset_dir}.") + print(f"{n_speakers=}") + for i, speaker in enumerate(speakers): + print(f" {i:{len(str(n_speakers - 1))}d}: {speaker}") + print() + print(f"{len(training_filelist)=}") + + def get_test_filelist( + in_test_wav_dir: Path, n_speakers: int + ) -> list[tuple[Path, list[int]]]: + max_n_test_files = 1000 + test_filelist = [] + rng = Random(42) + + def get_target_id_generator(): + if n_speakers > 8: + while True: + order = list(range(n_speakers)) + rng.shuffle(order) + yield from order + else: + while True: + yield from range(n_speakers) + + target_id_generator = get_target_id_generator() + for file in sorted(in_test_wav_dir.iterdir())[:max_n_test_files]: + if file.suffix.lower() not in AUDIO_FILE_SUFFIXES: + continue + target_ids = [next(target_id_generator) for _ in range(min(8, n_speakers))] + test_filelist.append((file, target_ids)) + return test_filelist + + test_filelist = get_test_filelist(in_test_wav_dir, n_speakers) + if len(test_filelist) == 0: + warnings.warn(f"No audio data found in {test_filelist}.") + print(f"{len(test_filelist)=}") + for file, target_ids in test_filelist[:12]: + print(f" {file}, {target_ids}") + if len(test_filelist) > 12: + print(" ...") + print() + + # データ + + training_dataset = WavDataset( + training_filelist, + in_sample_rate=h.in_sample_rate, + out_sample_rate=h.out_sample_rate, + wav_length=h.wav_length, + segment_length=h.segment_length, + noise_files=noise_files, + ir_files=ir_files, + ) + training_loader = torch.utils.data.DataLoader( + training_dataset, + num_workers=min(h.num_workers, os.cpu_count()), + collate_fn=training_dataset.collate, + shuffle=True, + sampler=None, + batch_size=h.batch_size, + pin_memory=True, + drop_last=True, + persistent_workers=True, + ) + + print("Computing mean F0s of target speakers...", end="") + speaker_f0s = [] + for speaker, files in enumerate(speaker_audio_files): + if len(files) > 10: + files = Random(42).sample(files, 10) + f0 = compute_mean_f0(files) + speaker_f0s.append(f0) + if speaker % 5 == 0: + print() + print(f" {speaker:3d}: {f0:.1f}Hz", end=",") + print() + print("Done.") + print("Computing pitch shifts for test files...") + test_pitch_shifts = [] + source_f0s = [] + for i, (file, target_ids) in enumerate(tqdm(test_filelist)): + source_f0 = compute_mean_f0([file], method="harvest") + source_f0s.append(source_f0) + if math.isnan(source_f0): + test_pitch_shifts.append([0] * len(target_ids)) + continue + pitch_shifts = [] + for target_id in target_ids: + target_f0 = speaker_f0s[target_id] + if target_f0 != target_f0: + pitch_shift = 0 + else: + pitch_shift = int(round(12.0 * math.log2(target_f0 / source_f0))) + pitch_shifts.append(pitch_shift) + test_pitch_shifts.append(pitch_shifts) + print("Done.") + + # モデルと最適化 + + phone_extractor = PhoneExtractor().to(device).eval().requires_grad_(False) + phone_extractor_checkpoint = torch.load( + repo_root() / h.phone_extractor_file, map_location="cpu", weights_only=True + ) + print( + phone_extractor.load_state_dict(phone_extractor_checkpoint["phone_extractor"]) + ) + del phone_extractor_checkpoint + + pitch_estimator = PitchEstimator().to(device).eval().requires_grad_(False) + pitch_estimator_checkpoint = torch.load( + repo_root() / h.pitch_estimator_file, map_location="cpu", weights_only=True + ) + print( + pitch_estimator.load_state_dict(pitch_estimator_checkpoint["pitch_estimator"]) + ) + del pitch_estimator_checkpoint + + net_g = ConverterNetwork( + phone_extractor, + pitch_estimator, + n_speakers, + h.hidden_channels, + ).to(device) + net_d = MultiPeriodDiscriminator(san=h.san).to(device) + + optim_g = torch.optim.AdamW( + net_g.parameters(), + h.learning_rate_g, + betas=h.adam_betas, + eps=h.adam_eps, + ) + optim_d = torch.optim.AdamW( + net_d.parameters(), + h.learning_rate_d, + betas=h.adam_betas, + eps=h.adam_eps, + ) + + grad_scaler = torch.amp.GradScaler("cuda", enabled=h.use_amp) + grad_balancer = GradBalancer( + weights={ + "loss_mel": h.grad_weight_mel, + "loss_adv": h.grad_weight_adv, + "loss_fm": h.grad_weight_fm, + } + | ({"loss_ap": h.grad_weight_ap} if h.grad_weight_ap else {}), + ema_decay=h.grad_balancer_ema_decay, + ) + resample_to_in_sample_rate = torchaudio.transforms.Resample( + h.out_sample_rate, h.in_sample_rate + ).to(device) + + # チェックポイント読み出し + + initial_iteration = 0 + if resume: + checkpoint_file = latest_checkpoint_file + elif h.pretrained_file is not None: + checkpoint_file = repo_root() / h.pretrained_file + else: + checkpoint_file = None + if checkpoint_file is not None: + checkpoint = torch.load(checkpoint_file, map_location="cpu", weights_only=True) + if not resume and not skip_training: # ファインチューニング + checkpoint_n_speakers = len(checkpoint["net_g"]["embed_speaker.weight"]) + initial_speaker_embedding = checkpoint["net_g"][ + "embed_speaker.weight" + ].mean(0, keepdim=True) + if True: + checkpoint["net_g"]["embed_speaker.weight"] = initial_speaker_embedding[ + [0] * n_speakers + ] + else: # 話者追加用 + assert n_speakers > checkpoint_n_speakers + print( + f"embed_speaker.weight was padded: {checkpoint_n_speakers} -> {n_speakers}" + ) + checkpoint["net_g"]["embed_speaker.weight"] = F.pad( + checkpoint["net_g"]["embed_speaker.weight"], + (0, 0, 0, n_speakers - checkpoint_n_speakers), + ) + checkpoint["net_g"]["embed_speaker.weight"][ + checkpoint_n_speakers: + ] = initial_speaker_embedding + print(net_g.load_state_dict(checkpoint["net_g"], strict=False)) + print(net_d.load_state_dict(checkpoint["net_d"], strict=False)) + if resume or skip_training: + optim_g.load_state_dict(checkpoint["optim_g"]) + optim_d.load_state_dict(checkpoint["optim_d"]) + initial_iteration = checkpoint["iteration"] + grad_balancer.load_state_dict(checkpoint["grad_balancer"]) + grad_scaler.load_state_dict(checkpoint["grad_scaler"]) + + # スケジューラ + + def get_cosine_annealing_warmup_scheduler( + optimizer: torch.optim.Optimizer, + warmup_epochs: int, + total_epochs: int, + min_learning_rate: float, + ) -> torch.optim.lr_scheduler.LambdaLR: + lr_ratio = min_learning_rate / optimizer.param_groups[0]["lr"] + m = 0.5 * (1.0 - lr_ratio) + a = 0.5 * (1.0 + lr_ratio) + + def lr_lambda(current_epoch: int) -> float: + if current_epoch < warmup_epochs: + return current_epoch / warmup_epochs + elif current_epoch < total_epochs: + rate = (current_epoch - warmup_epochs) / (total_epochs - warmup_epochs) + return math.cos(rate * math.pi) * m + a + else: + return min_learning_rate + + return torch.optim.lr_scheduler.LambdaLR(optimizer, lr_lambda) + + scheduler_g = get_cosine_annealing_warmup_scheduler( + optim_g, h.warmup_steps, h.n_steps, h.min_learning_rate_g + ) + scheduler_d = get_cosine_annealing_warmup_scheduler( + optim_d, h.warmup_steps, h.n_steps, h.min_learning_rate_d + ) + with warnings.catch_warnings(): + warnings.filterwarnings( + "ignore", + message=r"Detected call of `lr_scheduler\.step\(\)` before `optimizer\.step\(\)`\.", + ) + for _ in range(initial_iteration + 1): + scheduler_g.step() + scheduler_d.step() + + net_g.train() + net_d.train() + + # ログとか + + dict_scalars = defaultdict(list) + quality_tester = QualityTester().eval().to(device) + if skip_training: + writer = None + else: + writer = SummaryWriter(out_dir) + writer.add_text( + "log", + f"start training w/ {torch.cuda.get_device_name(device) if torch.cuda.is_available() else 'cpu'}.", + initial_iteration, + ) + if not resume: + with open(out_dir / "config.json", "w", encoding="utf-8") as f: + json.dump(dict(h), f, indent=4) + if not is_notebook(): + shutil.copy(__file__, out_dir) + + return ( + device, + in_wav_dataset_dir, + h, + out_dir, + speakers, + test_filelist, + training_loader, + speaker_f0s, + test_pitch_shifts, + phone_extractor, + pitch_estimator, + net_g, + net_d, + optim_g, + optim_d, + grad_scaler, + grad_balancer, + resample_to_in_sample_rate, + initial_iteration, + scheduler_g, + scheduler_d, + dict_scalars, + quality_tester, + writer, + ) + + +if __name__ == "__main__": + ( + device, + in_wav_dataset_dir, + h, + out_dir, + speakers, + test_filelist, + training_loader, + speaker_f0s, + test_pitch_shifts, + phone_extractor, + pitch_estimator, + net_g, + net_d, + optim_g, + optim_d, + grad_scaler, + grad_balancer, + resample_to_in_sample_rate, + initial_iteration, + scheduler_g, + scheduler_d, + dict_scalars, + quality_tester, + writer, + ) = prepare_training() + +if __name__ == "__main__" and writer is not None: + if h.compile_convnext: + raw_convnextstack_forward = ConvNeXtStack.forward + compiled_convnextstack_forward = torch.compile( + ConvNeXtStack.forward, mode="reduce-overhead" + ) + if h.compile_d4c: + d4c = torch.compile(d4c, mode="reduce-overhead") + if h.compile_discriminator: + MultiPeriodDiscriminator.forward_and_compute_loss = torch.compile( + MultiPeriodDiscriminator.forward_and_compute_loss, mode="reduce-overhead" + ) + + # 学習 + with ( + torch.profiler.profile( + schedule=torch.profiler.schedule(wait=1500, warmup=10, active=5, repeat=1), + on_trace_ready=torch.profiler.tensorboard_trace_handler(out_dir), + record_shapes=True, + with_stack=True, + profile_memory=True, + with_flops=True, + ) + if h.profile + else nullcontext() + ) as profiler: + + for iteration in tqdm(range(initial_iteration, h.n_steps)): + # === 1. データ前処理 === + try: + batch = next(data_iter) + except: + data_iter = iter(training_loader) + batch = next(data_iter) + ( + clean_wavs, + noisy_wavs_16k, + slice_starts, + speaker_ids, + formant_shift_semitone, + ) = map(lambda x: x.to(device, non_blocking=True), batch) + + # === 2. 学習 === + with torch.amp.autocast("cuda", enabled=h.use_amp): + # === 2.1 Generator の順伝播 === + if h.compile_convnext: + ConvNeXtStack.forward = compiled_convnextstack_forward + y, y_hat, y_hat_for_backward, loss_mel, loss_ap, generator_stats = ( + net_g.forward_and_compute_loss( + noisy_wavs_16k[:, None, :], + speaker_ids, + formant_shift_semitone, + slice_start_indices=slice_starts, + slice_segment_length=h.segment_length, + y_all=clean_wavs[:, None, :], + enable_loss_ap=h.grad_weight_ap != 0.0, + ) + ) + if h.compile_convnext: + ConvNeXtStack.forward = raw_convnextstack_forward + assert y_hat.isfinite().all() + assert loss_mel.isfinite().all() + assert loss_ap.isfinite().all() + + # === 2.2 Discriminator の順伝播 === + loss_discriminator, loss_adv, loss_fm, discriminator_stats = ( + net_d.forward_and_compute_loss(y, y_hat) + ) + assert loss_discriminator.isfinite().all() + assert loss_adv.isfinite().all() + assert loss_fm.isfinite().all() + + # === 2.3 Discriminator の逆伝播 === + for param in net_d.parameters(): + assert param.grad is None + grad_scaler.scale(loss_discriminator).backward( + retain_graph=True, inputs=list(net_d.parameters()) + ) + loss_discriminator = loss_discriminator.item() + grad_scaler.unscale_(optim_d) + if iteration % 5 == 0: + grad_norm_d, d_grad_norm_stats = compute_grad_norm(net_d, True) + else: + grad_norm_d = math.nan + d_grad_norm_stats = {} + + # === 2.4 Generator の逆伝播 === + for param in net_g.parameters(): + assert param.grad is None + gradient_balancer_stats = grad_balancer.backward( + { + "loss_mel": loss_mel, + "loss_adv": loss_adv, + "loss_fm": loss_fm, + } + | ({"loss_ap": loss_ap} if h.grad_weight_ap else {}), + y_hat_for_backward, + grad_scaler, + skip_update_ema=iteration > 10 and iteration % 5 != 0, + ) + loss_mel = loss_mel.item() + loss_adv = loss_adv.item() + loss_fm = loss_fm.item() + if h.grad_weight_ap: + loss_ap = loss_ap.item() + grad_scaler.unscale_(optim_g) + if iteration % 5 == 0: + grad_norm_g, g_grad_norm_stats = compute_grad_norm(net_g, True) + else: + grad_norm_g = math.nan + g_grad_norm_stats = {} + + # === 2.5 パラメータの更新 === + grad_scaler.step(optim_g) + optim_g.zero_grad(set_to_none=True) + grad_scaler.step(optim_d) + optim_d.zero_grad(set_to_none=True) + grad_scaler.update() + + # === 3. ログ === + dict_scalars["loss_g/loss_mel"].append(loss_mel) + if h.grad_weight_ap: + dict_scalars["loss_g/loss_ap"].append(loss_ap) + dict_scalars["loss_g/loss_fm"].append(loss_fm) + dict_scalars["loss_g/loss_adv"].append(loss_adv) + dict_scalars["other/grad_scale"].append(grad_scaler.get_scale()) + dict_scalars["loss_d/loss_discriminator"].append(loss_discriminator) + if math.isfinite(grad_norm_d): + dict_scalars["other/gradient_norm_d"].append(grad_norm_d) + for name, value in d_grad_norm_stats.items(): + dict_scalars[f"~gradient_norm_d/{name}"].append(value) + if math.isfinite(grad_norm_g): + dict_scalars["other/gradient_norm_g"].append(grad_norm_g) + for name, value in g_grad_norm_stats.items(): + dict_scalars[f"~gradient_norm_g/{name}"].append(value) + dict_scalars["other/lr_g"].append(scheduler_g.get_last_lr()[0]) + dict_scalars["other/lr_d"].append(scheduler_d.get_last_lr()[0]) + for k, v in generator_stats.items(): + dict_scalars[f"~loss_generator/{k}"].append(v) + for k, v in discriminator_stats.items(): + dict_scalars[f"~loss_discriminator/{k}"].append(v) + for k, v in gradient_balancer_stats.items(): + dict_scalars[f"~gradient_balancer/{k}"].append(v) + + if (iteration + 1) % 1000 == 0 or iteration == 0: + for name, scalars in dict_scalars.items(): + if scalars: + writer.add_scalar( + name, sum(scalars) / len(scalars), iteration + 1 + ) + scalars.clear() + for name, param in net_g.named_parameters(): + writer.add_histogram(f"weight/{name}", param, iteration + 1) + + intermediate_feature_stats = {} + hook_handles = [] + + def get_layer_hook(name): + def compute_stats(module, x, suffix): + if not isinstance(x, torch.Tensor): + return + if x.dtype not in [torch.float32, torch.float16]: + return + if isinstance(module, nn.Identity): + return + x = x.detach().float() + var = x.var().item() + if isinstance(module, (nn.Linear, nn.LayerNorm)): + channel_var, channel_mean = torch.var_mean( + x.reshape(-1, x.size(-1)), 0 + ) + elif isinstance(module, nn.Conv1d): + channel_var, channel_mean = torch.var_mean(x, [0, 2]) + else: + return + average_squared_channel_mean = ( + channel_mean.square().mean().item() + ) + average_channel_var = channel_var.mean().item() + + tensor_idx = len(intermediate_feature_stats) // 3 + intermediate_feature_stats[ + f"var/{tensor_idx:02d}_{name}/{suffix}" + ] = var + intermediate_feature_stats[ + f"avg_sq_ch_mean/{tensor_idx:02d}_{name}/{suffix}" + ] = average_squared_channel_mean + intermediate_feature_stats[ + f"avg_ch_var/{tensor_idx:02d}_{name}/{suffix}" + ] = average_channel_var + + def forward_pre_hook(module, input): + for i, input_i in enumerate(input): + compute_stats(module, input_i, f"input_{i}") + + def forward_hook(module, input, output): + if isinstance(output, tuple): + for i, output_i in enumerate(output): + compute_stats(module, output_i, f"output_{i}") + else: + compute_stats(module, output, "output") + + return forward_pre_hook, forward_hook + + for name, layer in net_g.named_modules(): + forward_pre_hook, forward_hook = get_layer_hook(name) + hook_handles.append( + layer.register_forward_pre_hook(forward_pre_hook) + ) + hook_handles.append(layer.register_forward_hook(forward_hook)) + with torch.no_grad(), torch.amp.autocast("cuda", enabled=h.use_amp): + net_g.forward_and_compute_loss( + noisy_wavs_16k[:, None, :], + speaker_ids, + formant_shift_semitone, + slice_start_indices=slice_starts, + slice_segment_length=h.segment_length, + y_all=clean_wavs[:, None, :], + enable_loss_ap=h.grad_weight_ap != 0.0, + ) + for handle in hook_handles: + handle.remove() + for name, value in intermediate_feature_stats.items(): + writer.add_scalar( + f"~intermediate_feature_{name}", value, iteration + 1 + ) + + # === 4. 検証 === + if (iteration + 1) % ( + 50000 if h.n_steps > 200000 else 2000 + ) == 0 or iteration + 1 in { + 1, + 30000, + h.n_steps, + }: + torch.backends.cudnn.benchmark = False + net_g.eval() + torch.cuda.empty_cache() + + dict_qualities_all = defaultdict(list) + n_added_wavs = 0 + with torch.inference_mode(): + for i, ((file, target_ids), pitch_shift_semitones) in enumerate( + zip(test_filelist, test_pitch_shifts) + ): + source_wav, sr = torchaudio.load(file, backend="soundfile") + source_wav = source_wav.to(device) + if sr != h.in_sample_rate: + source_wav = get_resampler(sr, h.in_sample_rate, device)( + source_wav + ) + source_wav = source_wav.to(device) + original_source_wav_length = source_wav.size(1) + # 長さのパターンを減らしてキャッシュを効かせる + if source_wav.size(1) % h.in_sample_rate == 0: + padded_source_wav = source_wav + else: + padded_source_wav = F.pad( + source_wav, + ( + 0, + h.in_sample_rate + - source_wav.size(1) % h.in_sample_rate, + ), + ) + converted = net_g( + padded_source_wav[[0] * len(target_ids), None], + torch.tensor(target_ids, device=device), + torch.tensor( + [0.0] * len(target_ids), device=device + ), # フォルマントシフト + torch.tensor( + [float(p) for p in pitch_shift_semitones], device=device + ), + ).squeeze_(1)[:, : original_source_wav_length // 160 * 240] + if i < 12: + if iteration == 0: + writer.add_audio( + f"source/y_{i:02d}", + source_wav, + iteration + 1, + h.in_sample_rate, + ) + for d in range( + min( + len(target_ids), + 1 + (12 - i - 1) // len(test_filelist), + ) + ): + idx_in_batch = n_added_wavs % len(target_ids) + writer.add_audio( + f"converted/y_hat_{i:02d}_{target_ids[idx_in_batch]:03d}_{pitch_shift_semitones[idx_in_batch]:+02d}", + converted[idx_in_batch], + iteration + 1, + h.out_sample_rate, + ) + n_added_wavs += 1 + converted = resample_to_in_sample_rate(converted) + quality = quality_tester.test(converted, source_wav) + for metric_name, values in quality.items(): + dict_qualities_all[metric_name].extend(values) + assert n_added_wavs == min( + 12, len(test_filelist) * len(test_filelist[0][1]) + ), ( + n_added_wavs, + len(test_filelist), + len(speakers), + len(test_filelist[0][1]), + ) + dict_qualities = { + metric_name: sum(values) / len(values) + for metric_name, values in dict_qualities_all.items() + if len(values) + } + for metric_name, value in dict_qualities.items(): + writer.add_scalar(f"validation/{metric_name}", value, iteration + 1) + for metric_name, values in dict_qualities_all.items(): + for i, value in enumerate(values): + writer.add_scalar( + f"~validation_{metric_name}/{i:03d}", value, iteration + 1 + ) + del dict_qualities, dict_qualities_all + + net_g.train() + torch.backends.cudnn.benchmark = True + gc.collect() + torch.cuda.empty_cache() + + # === 5. 保存 === + if (iteration + 1) % ( + 50000 if h.n_steps > 200000 else 2000 + ) == 0 or iteration + 1 in { + 1, + 30000, + h.n_steps, + }: + # チェックポイント + name = f"{in_wav_dataset_dir.name}_{iteration + 1:08d}" + checkpoint_file_save = out_dir / f"checkpoint_{name}.pt" + if checkpoint_file_save.exists(): + checkpoint_file_save = checkpoint_file_save.with_name( + f"{checkpoint_file_save.name}_{hash(None):x}" + ) + torch.save( + { + "iteration": iteration + 1, + "net_g": net_g.state_dict(), + "phone_extractor": phone_extractor.state_dict(), + "pitch_estimator": pitch_estimator.state_dict(), + "net_d": net_d.state_dict(), + "optim_g": optim_g.state_dict(), + "optim_d": optim_d.state_dict(), + "grad_balancer": grad_balancer.state_dict(), + "grad_scaler": grad_scaler.state_dict(), + "h": dict(h), + }, + checkpoint_file_save, + ) + shutil.copy(checkpoint_file_save, out_dir / "checkpoint_latest.pt") + + # 推論用 + paraphernalia_dir = out_dir / f"paraphernalia_{name}" + if paraphernalia_dir.exists(): + paraphernalia_dir = paraphernalia_dir.with_name( + f"{paraphernalia_dir.name}_{hash(None):x}" + ) + paraphernalia_dir.mkdir() + phone_extractor_fp16 = PhoneExtractor() + phone_extractor_fp16.load_state_dict(phone_extractor.state_dict()) + phone_extractor_fp16.remove_weight_norm() + phone_extractor_fp16.merge_weights() + phone_extractor_fp16.half() + phone_extractor_fp16.dump(paraphernalia_dir / f"phone_extractor.bin") + del phone_extractor_fp16 + pitch_estimator_fp16 = PitchEstimator() + pitch_estimator_fp16.load_state_dict(pitch_estimator.state_dict()) + pitch_estimator_fp16.merge_weights() + pitch_estimator_fp16.half() + pitch_estimator_fp16.dump(paraphernalia_dir / f"pitch_estimator.bin") + del pitch_estimator_fp16 + net_g_fp16 = ConverterNetwork( + nn.Module(), nn.Module(), len(speakers), h.hidden_channels + ) + net_g_fp16.load_state_dict(net_g.state_dict()) + net_g_fp16.merge_weights() + net_g_fp16.half() + net_g_fp16.dump(paraphernalia_dir / f"waveform_generator.bin") + with open(paraphernalia_dir / f"speaker_embeddings.bin", "wb") as f: + dump_layer(net_g_fp16.embed_speaker, f) + with open( + paraphernalia_dir / f"formant_shift_embeddings.bin", "wb" + ) as f: + dump_layer(net_g_fp16.embed_formant_shift, f) + del net_g_fp16 + shutil.copy( + repo_root() / "assets/images/noimage.png", paraphernalia_dir + ) + with open( + paraphernalia_dir / f"beatrice_paraphernalia_{name}.toml", + "w", + encoding="utf-8", + ) as f: + f.write( + f'''[model] +version = "{PARAPHERNALIA_VERSION}" +name = "{name}" +description = """ +No description for this model. +このモデルの説明はありません。 +""" +''' + ) + for speaker_id, (speaker, speaker_f0) in enumerate( + zip(speakers, speaker_f0s) + ): + average_pitch = 69.0 + 12.0 * math.log2(speaker_f0 / 440.0) + average_pitch = round(average_pitch * 8.0) / 8.0 + f.write( + f''' +[voice.{speaker_id}] +name = "{speaker}" +description = """ +No description for this voice. +この声の説明はありません。 +""" +average_pitch = {average_pitch} + +[voice.{speaker_id}.portrait] +path = "noimage.png" +description = """ +""" +''' + ) + del paraphernalia_dir + + # TODO: phone_extractor, pitch_estimator が既知のモデルであれば dump を省略 + + # === 6. スケジューラ更新 === + scheduler_g.step() + scheduler_d.step() + if h.profile: + profiler.step() + + print("Training finished.") diff --git a/beatrice_v2/output/checkpoint_latest.pt b/beatrice_v2/output/checkpoint_latest.pt new file mode 100644 index 0000000000000000000000000000000000000000..80db285b9fe9d48edff3c9289a97ebd39459b34b --- /dev/null +++ b/beatrice_v2/output/checkpoint_latest.pt @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:338dad341a9c9ae05b1248468d3cbe7e5a16eb446b538288823330eedf40eda3 +size 588692604 diff --git a/beatrice_v2/output/checkpoint_train_00000001.pt b/beatrice_v2/output/checkpoint_train_00000001.pt new file mode 100644 index 0000000000000000000000000000000000000000..2dc7644ce85398bbdc6d84f3898256b349019d1a --- /dev/null +++ b/beatrice_v2/output/checkpoint_train_00000001.pt @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:53b39e36627c692cad24f0cb54efe2cff73e0f1cb53138e26f69206dbd4845bd +size 588692604 diff --git a/beatrice_v2/output/checkpoint_train_00002000.pt b/beatrice_v2/output/checkpoint_train_00002000.pt new file mode 100644 index 0000000000000000000000000000000000000000..b054f910443b53141fac0684bc3d7ee486369276 --- /dev/null +++ b/beatrice_v2/output/checkpoint_train_00002000.pt @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:f0c1da60f40aa429a989b52914184f90609784c03c9dfb7b5687ee825731f4c5 +size 588692604 diff --git a/beatrice_v2/output/checkpoint_train_00004000.pt b/beatrice_v2/output/checkpoint_train_00004000.pt new file mode 100644 index 0000000000000000000000000000000000000000..252ff95ee379327d1acffd2ddbe6ebe815d49b46 --- /dev/null +++ b/beatrice_v2/output/checkpoint_train_00004000.pt @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:30c0af1d179879aaf97e82cb0e42767698ff35d6a7e4d03cd6a1cc8aad018891 +size 588692604 diff --git a/beatrice_v2/output/checkpoint_train_00006000.pt b/beatrice_v2/output/checkpoint_train_00006000.pt new file mode 100644 index 0000000000000000000000000000000000000000..f04d3b79765e768c6746c33e3e2c559c9bb691b8 --- /dev/null +++ b/beatrice_v2/output/checkpoint_train_00006000.pt @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:01f8aa815a325445c5e789167f43201315dfdeeb4e525d70ce316d320287943c +size 588692604 diff --git a/beatrice_v2/output/checkpoint_train_00008000.pt b/beatrice_v2/output/checkpoint_train_00008000.pt new file mode 100644 index 0000000000000000000000000000000000000000..effd5b99630c07ee030927f10d645b1fd7ba9d8a --- /dev/null +++ b/beatrice_v2/output/checkpoint_train_00008000.pt @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:f229a42115121a3191771f4a69a96736a926f4d5503f0824732f705e07701970 +size 588692604 diff --git a/beatrice_v2/output/checkpoint_train_00010000.pt b/beatrice_v2/output/checkpoint_train_00010000.pt new file mode 100644 index 0000000000000000000000000000000000000000..80db285b9fe9d48edff3c9289a97ebd39459b34b --- /dev/null +++ b/beatrice_v2/output/checkpoint_train_00010000.pt @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:338dad341a9c9ae05b1248468d3cbe7e5a16eb446b538288823330eedf40eda3 +size 588692604 diff --git a/beatrice_v2/output/config.json b/beatrice_v2/output/config.json new file mode 100644 index 0000000000000000000000000000000000000000..8966eaeb497b0ada96ed3171c690d6172c6a63fa --- /dev/null +++ b/beatrice_v2/output/config.json @@ -0,0 +1,37 @@ +{ + "learning_rate_g": 0.0002, + "learning_rate_d": 0.0001, + "min_learning_rate_g": 1e-05, + "min_learning_rate_d": 5e-06, + "adam_betas": [ + 0.8, + 0.99 + ], + "adam_eps": 1e-06, + "batch_size": 8, + "grad_weight_mel": 1.0, + "grad_weight_ap": 2.0, + "grad_weight_adv": 3.0, + "grad_weight_fm": 3.0, + "grad_balancer_ema_decay": 0.995, + "use_amp": true, + "num_workers": 16, + "n_steps": 10000, + "warmup_steps": 2000, + "in_sample_rate": 16000, + "out_sample_rate": 24000, + "wav_length": 96000, + "segment_length": 100, + "phone_extractor_file": "assets/pretrained/003b_checkpoint_03000000.pt", + "pitch_estimator_file": "assets/pretrained/008_1_checkpoint_00300000.pt", + "in_ir_wav_dir": "assets/ir", + "in_noise_wav_dir": "assets/noise", + "in_test_wav_dir": "assets/test", + "pretrained_file": "assets/pretrained/079_checkpoint_libritts_r_200_02400000.pt", + "hidden_channels": 256, + "san": false, + "compile_convnext": false, + "compile_d4c": false, + "compile_discriminator": false, + "profile": false +} \ No newline at end of file diff --git a/beatrice_v2/output/events.out.tfevents.1731006050.DESKTOP-PN4E7G1.14176.0 b/beatrice_v2/output/events.out.tfevents.1731006050.DESKTOP-PN4E7G1.14176.0 new file mode 100644 index 0000000000000000000000000000000000000000..20f67c1c5452a4e82a4d0dac4a6b6a3a9e442529 --- /dev/null +++ b/beatrice_v2/output/events.out.tfevents.1731006050.DESKTOP-PN4E7G1.14176.0 @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:cf74519f1929897a43ca0b668489a77e629386fe52196bc860e4cd59ee42fd3d +size 29858706 diff --git a/beatrice_v2/output/paraphernalia_train_00000001/beatrice_paraphernalia_train_00000001.toml b/beatrice_v2/output/paraphernalia_train_00000001/beatrice_paraphernalia_train_00000001.toml new file mode 100644 index 0000000000000000000000000000000000000000..7a8ed88f83185276ea7eaa556c1b073cce839bb3 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00000001/beatrice_paraphernalia_train_00000001.toml @@ -0,0 +1,20 @@ +[model] +version = "2.0.0-beta.1" +name = "train_00000001" +description = """ +No description for this model. +このモデルの説明はありません。 +""" + +[voice.0] +name = "RinneElu" +description = """ +No description for this voice. +この声の説明はありません。 +""" +average_pitch = 61.375 + +[voice.0.portrait] +path = "noimage.png" +description = """ +""" diff --git a/beatrice_v2/output/paraphernalia_train_00000001/formant_shift_embeddings.bin b/beatrice_v2/output/paraphernalia_train_00000001/formant_shift_embeddings.bin new file mode 100644 index 0000000000000000000000000000000000000000..dac6f0c22d8c3cff85f7e512275c98456b2aa4a4 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00000001/formant_shift_embeddings.bin @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:dca84db5755d2738e94e19f0ed2157f311421d5b9f3fc06a71381443f559b5df +size 4608 diff --git a/beatrice_v2/output/paraphernalia_train_00000001/noimage.png b/beatrice_v2/output/paraphernalia_train_00000001/noimage.png new file mode 100644 index 0000000000000000000000000000000000000000..c6fb8a4a82b77c25a2068ab9ffca2676c04b6144 Binary files /dev/null and b/beatrice_v2/output/paraphernalia_train_00000001/noimage.png differ diff --git a/beatrice_v2/output/paraphernalia_train_00000001/phone_extractor.bin b/beatrice_v2/output/paraphernalia_train_00000001/phone_extractor.bin new file mode 100644 index 0000000000000000000000000000000000000000..7d36f3f83877a47f3cb7fe95fdca9c64ab687545 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00000001/phone_extractor.bin @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:293c72831d78aac3e13f6093cfd3944cbeb497a00c461e437279e37d96a37660 +size 10847360 diff --git a/beatrice_v2/output/paraphernalia_train_00000001/pitch_estimator.bin b/beatrice_v2/output/paraphernalia_train_00000001/pitch_estimator.bin new file mode 100644 index 0000000000000000000000000000000000000000..9cc19de6f5b02e15124c197d8380b92d3e87b962 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00000001/pitch_estimator.bin @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:a09911ca8c9cf9f19a3304043f7dfef743af2a238ec2308f15f8e7ed4b3cddab +size 3434112 diff --git a/beatrice_v2/output/paraphernalia_train_00000001/speaker_embeddings.bin b/beatrice_v2/output/paraphernalia_train_00000001/speaker_embeddings.bin new file mode 100644 index 0000000000000000000000000000000000000000..6c4670fbcc0f6f54f8526c1a38c82135babb5841 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00000001/speaker_embeddings.bin @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:5e2fdf13ab30dcfed2ca129482e72495376200aa5a334626fc66a48a5aee1a3f +size 512 diff --git a/beatrice_v2/output/paraphernalia_train_00000001/waveform_generator.bin b/beatrice_v2/output/paraphernalia_train_00000001/waveform_generator.bin new file mode 100644 index 0000000000000000000000000000000000000000..1bcaf32873c234430345dfa7580a3486c237e069 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00000001/waveform_generator.bin @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:a3c3a727f508d24296fbab36428250322df371bd5505b64c0cfe75aa7c773aea +size 9528320 diff --git a/beatrice_v2/output/paraphernalia_train_00002000/beatrice_paraphernalia_train_00002000.toml b/beatrice_v2/output/paraphernalia_train_00002000/beatrice_paraphernalia_train_00002000.toml new file mode 100644 index 0000000000000000000000000000000000000000..ecbb15ccff4888832f600a8889b768964cb46954 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00002000/beatrice_paraphernalia_train_00002000.toml @@ -0,0 +1,20 @@ +[model] +version = "2.0.0-beta.1" +name = "train_00002000" +description = """ +No description for this model. +このモデルの説明はありません。 +""" + +[voice.0] +name = "RinneElu" +description = """ +No description for this voice. +この声の説明はありません。 +""" +average_pitch = 61.375 + +[voice.0.portrait] +path = "noimage.png" +description = """ +""" diff --git a/beatrice_v2/output/paraphernalia_train_00002000/formant_shift_embeddings.bin b/beatrice_v2/output/paraphernalia_train_00002000/formant_shift_embeddings.bin new file mode 100644 index 0000000000000000000000000000000000000000..370c2e52541f424415277ba0e2775673a9c88dc0 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00002000/formant_shift_embeddings.bin @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:046f90ad10e6e8f09693844aa147ae3a72b390992173d8af0c48c05fe272605c +size 4608 diff --git a/beatrice_v2/output/paraphernalia_train_00002000/noimage.png b/beatrice_v2/output/paraphernalia_train_00002000/noimage.png new file mode 100644 index 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/dev/null +++ b/beatrice_v2/output/paraphernalia_train_00002000/waveform_generator.bin @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:31826c49cfeef3a84580a95bd9bd9f3e308d61106c0d07b71254c2aecac6eede +size 9528320 diff --git a/beatrice_v2/output/paraphernalia_train_00004000/beatrice_paraphernalia_train_00004000.toml b/beatrice_v2/output/paraphernalia_train_00004000/beatrice_paraphernalia_train_00004000.toml new file mode 100644 index 0000000000000000000000000000000000000000..8df861a7687cd143bab78b67ee3938cb4b398481 --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00004000/beatrice_paraphernalia_train_00004000.toml @@ -0,0 +1,20 @@ +[model] +version = "2.0.0-beta.1" +name = "train_00004000" +description = """ +No description for this model. +このモデルの説明はありません。 +""" + +[voice.0] +name = "RinneElu" +description = """ +No description for this voice. +この声の説明はありません。 +""" +average_pitch = 61.375 + +[voice.0.portrait] +path = "noimage.png" +description = """ +""" 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+description = """ +No description for this model. +このモデルの説明はありません。 +""" + +[voice.0] +name = "RinneElu" +description = """ +No description for this voice. +この声の説明はありません。 +""" +average_pitch = 61.375 + +[voice.0.portrait] +path = "noimage.png" +description = """ +""" diff --git a/beatrice_v2/output/paraphernalia_train_00010000/formant_shift_embeddings.bin b/beatrice_v2/output/paraphernalia_train_00010000/formant_shift_embeddings.bin new file mode 100644 index 0000000000000000000000000000000000000000..bfc8bfc9133eff9f34dcaa463ce52e5779f74bfd --- /dev/null +++ b/beatrice_v2/output/paraphernalia_train_00010000/formant_shift_embeddings.bin @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:24d65b62b8766ef1864b3ebd455216dea74145e0b5a9fdd3b2541f4e95f85932 +size 4608 diff --git a/beatrice_v2/output/paraphernalia_train_00010000/noimage.png b/beatrice_v2/output/paraphernalia_train_00010000/noimage.png new file mode 100644 index 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