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| import os | |
| import gradio as gr | |
| import numpy as np | |
| import soundfile as sf | |
| import torch | |
| from Preprocessing.ArticulatoryCombinedTextFrontend import ArticulatoryCombinedTextFrontend | |
| from Preprocessing.AudioPreprocessor import AudioPreprocessor | |
| from TrainingInterfaces.Text_to_Spectrogram.AutoAligner.Aligner import Aligner | |
| from TrainingInterfaces.Text_to_Spectrogram.FastSpeech2.DurationCalculator import DurationCalculator | |
| from run_utterance_cloner import UtteranceCloner | |
| os.system("pip uninstall -y gradio") | |
| os.system("pip install gradio==2.7.5.2") | |
| def float2pcm(sig, dtype='int16'): | |
| """ | |
| https://gist.github.com/HudsonHuang/fbdf8e9af7993fe2a91620d3fb86a182 | |
| """ | |
| sig = np.asarray(sig) | |
| if sig.dtype.kind != 'f': | |
| raise TypeError("'sig' must be a float array") | |
| dtype = np.dtype(dtype) | |
| if dtype.kind not in 'iu': | |
| raise TypeError("'dtype' must be an integer type") | |
| i = np.iinfo(dtype) | |
| abs_max = 2 ** (i.bits - 1) | |
| offset = i.min + abs_max | |
| return (sig * abs_max + offset).clip(i.min, i.max).astype(dtype) | |
| class TTS_Interface: | |
| def __init__(self): | |
| self.device = "cuda" if torch.cuda.is_available() else "cpu" | |
| self.utterance_cloner = UtteranceCloner(device=self.device) | |
| self.speaker_path_lookup = { | |
| "Voice 1": "reference_audios/voice_1.flac", | |
| "Voice 2": "reference_audios/voice_2.wav", | |
| "Voice 3": "reference_audios/voice_3.wav", | |
| } | |
| self.acoustic_model = Aligner() | |
| self.acoustic_model.load_state_dict(torch.load("Models/Aligner/aligner.pt", map_location='cpu')["asr_model"]) | |
| self.acoustic_model = self.acoustic_model.to(self.device) | |
| self.dc = DurationCalculator(reduction_factor=1) | |
| self.tf = ArticulatoryCombinedTextFrontend(language="en") | |
| def read(self, prompt, speaker_1, speaker_2, speaker_3): | |
| if prompt == "Hello, here is the first sentence. And here comes the second one. I think three sentences is enough to get the point across, right?": | |
| reference_audio = "reference_audios/clone_me_1.wav" | |
| else: | |
| reference_audio = "reference_audios/clone_me_2.wav" | |
| text_list = prompt.replace(".", ".|").replace("?", "?|").replace("!", "!|").split("|") | |
| # we don't split on the punctuation marks because we want to retain them. | |
| self.split_audio(reference_audio, text_list) | |
| # at this point, split_1.wav, split_2.wav and split_3.wav should exist. | |
| self.utterance_cloner.tts.set_utterance_embedding(self.speaker_path_lookup[speaker_1]) | |
| part_1 = self.utterance_cloner.clone_utterance(path_to_reference_audio="split_1.wav", | |
| reference_transcription=text_list[0], | |
| clone_speaker_identity=False, | |
| lang="en") | |
| self.utterance_cloner.tts.set_utterance_embedding(self.speaker_path_lookup[speaker_2]) | |
| part_2 = self.utterance_cloner.clone_utterance(path_to_reference_audio="split_2.wav", | |
| reference_transcription=text_list[1], | |
| clone_speaker_identity=False, | |
| lang="en") | |
| self.utterance_cloner.tts.set_utterance_embedding(self.speaker_path_lookup[speaker_3]) | |
| part_3 = self.utterance_cloner.clone_utterance(path_to_reference_audio="split_3.wav", | |
| reference_transcription=text_list[2], | |
| clone_speaker_identity=False, | |
| lang="en") | |
| return "alignment.png", reference_audio, (48000, float2pcm(torch.cat([part_1, part_2, part_3], dim=0).numpy())) | |
| def split_audio(self, path_to_audio, text_list): | |
| # extract audio | |
| audio, sr = sf.read(path_to_audio) | |
| ap = AudioPreprocessor(input_sr=sr, output_sr=16000, melspec_buckets=80, hop_length=256, n_fft=1024, cut_silence=False) | |
| norm_wave = ap.audio_to_wave_tensor(normalize=True, audio=audio) | |
| melspec = ap.audio_to_mel_spec_tensor(audio=norm_wave, normalize=False, explicit_sampling_rate=16000).transpose(0, 1) | |
| # extract phonemes | |
| lines = list() | |
| for segment in text_list: | |
| if segment.strip() != "": | |
| lines.append(self.tf.string_to_tensor(segment, handle_missing=False).squeeze()) | |
| # postprocess phonemes: [~ sentence ~ #] --> [sentence ~] except for the first one, which is [~ sentence ~] | |
| processed_lines = list() | |
| for index, line in enumerate(lines): | |
| if index == 0: | |
| processed_lines.append(line[:-1]) | |
| else: | |
| processed_lines.append(line[1:-1]) | |
| lines = processed_lines | |
| joined_phonemes = torch.cat(lines, dim=0) | |
| # get durations of each phone in audio as average of an ensemble | |
| alignment_paths = list() | |
| ensemble_of_durations = list() | |
| for ensemble in range(2): | |
| alignment_paths.append(self.acoustic_model.inference(mel=melspec.to(self.device), | |
| tokens=joined_phonemes.to(self.device), | |
| save_img_for_debug="alignment.png" if ensemble == 1 else None, | |
| return_ctc=False)) | |
| for alignment_path in alignment_paths: | |
| ensemble_of_durations.append(self.dc(torch.LongTensor(alignment_path), vis=None).squeeze()) | |
| durations = list() | |
| for i, _ in enumerate(ensemble_of_durations[0]): | |
| duration_of_phone = list() | |
| for ensemble_member in ensemble_of_durations: | |
| duration_of_phone.append(ensemble_member.squeeze()[i]) | |
| durations.append(sum(duration_of_phone) / len(duration_of_phone)) | |
| # cut audio according to duration sum of each line in transcript | |
| line_lens = [len(x) for x in lines] | |
| index = 0 | |
| segment_durations = list() | |
| for num_phones in line_lens: | |
| segment_durations.append(sum(durations[index: index + num_phones])) | |
| index += num_phones | |
| spec_to_wave_factor = len(norm_wave) / sum(segment_durations) | |
| wave_segment_lens = [int(x * spec_to_wave_factor) for x in segment_durations] | |
| start_index = 0 | |
| wave_segments = list() | |
| for index, segment_len in enumerate(wave_segment_lens): | |
| if index == len(wave_segment_lens) - 1: | |
| wave_segments.append(norm_wave[start_index:]) | |
| else: | |
| wave_segments.append(norm_wave[start_index: start_index + segment_len]) | |
| start_index += segment_len | |
| # write the audio segments into new files | |
| for index, wave_segment in enumerate(wave_segments): | |
| sf.write(f"split_{index + 1}.wav", wave_segment, 16000) | |
| meta_model = TTS_Interface() | |
| article = "<p style='text-align: left'>This is still a work in progress, models will be exchanged for better ones as soon as they are done. More diverse training data can help with more exact cloning. For example we are still trying to incorporate more singing data. </p><p style='text-align: center'><a href='https://github.com/DigitalPhonetics/IMS-Toucan' target='_blank'>Click here to learn more about the IMS Toucan Speech Synthesis Toolkit</a></p>" | |
| iface = gr.Interface(fn=meta_model.read, | |
| inputs=[gr.inputs.Dropdown( | |
| ["Hello, here is the first sentence. And here comes the second one. I think three sentences is enough to get the point across, right?", | |
| "I am excited! And my prosody is rather flat. And this sentence is shocking!"], | |
| type="value", | |
| default="Hello, here is the first sentence. And here comes the second one. I think three sentences is enough to get the point across, right?", | |
| label="Select which utterance should be customized"), | |
| gr.inputs.Dropdown(["Voice 1", | |
| "Voice 2", | |
| "Voice 3"], type="value", default="Voice 1", label="Speaker selection for the first sentence"), | |
| gr.inputs.Dropdown(["Voice 1", | |
| "Voice 2", | |
| "Voice 3"], type="value", default="Voice 2", label="Speaker selection for the second sentence"), | |
| gr.inputs.Dropdown(["Voice 1", | |
| "Voice 2", | |
| "Voice 3"], type="value", default="Voice 3", label="Speaker selection for the third sentence")], | |
| outputs=[gr.outputs.Image(label="Alignment of Phonemes to Audio"), | |
| gr.outputs.Audio(type="file", label="Original Audio"), | |
| gr.outputs.Audio(type="numpy", label="Customized Audio")], | |
| layout="vertical", | |
| title="IMS Toucan Speech Customization through Voice Cloning Demo", | |
| thumbnail="Utility/toucan.png", | |
| theme="default", | |
| allow_flagging="never", | |
| allow_screenshot=False, | |
| description="In this demo, an audio is split automatically into individual sentences. Then each of the sentences is re-synthesized into speech with the exact same prosody, but with a voice that you can choose. This allows customizing any existing read speech while retaining as much from the original reading as possible.", | |
| article=article) | |
| iface.launch(enable_queue=True) | |