| |
| |
| |
| |
|
|
| from pathlib import Path |
| from typing import List, Optional |
|
|
| from examples.speech_to_text.data_utils import S2TDataConfigWriter |
|
|
|
|
| def gen_config_yaml( |
| manifest_root: Path, |
| yaml_filename: str = "config.yaml", |
| specaugment_policy: Optional[str] = "lb", |
| |
| cmvn_type: str = "utterance", |
| gcmvn_path: Optional[Path] = None, |
| input_channels: Optional[int] = 1, |
| input_feat_per_channel: Optional[int] = 80, |
| audio_root: str = "", |
| vocoder_type: Optional[str] = None, |
| vocoder_checkpoint: Optional[str] = None, |
| vocoder_cfg: Optional[str] = None, |
| extra=None, |
| ): |
| manifest_root = manifest_root.absolute() |
| writer = S2TDataConfigWriter(manifest_root / yaml_filename) |
|
|
| if input_channels is not None: |
| writer.set_input_channels(input_channels) |
| if input_feat_per_channel is not None: |
| writer.set_input_feat_per_channel(input_feat_per_channel) |
| specaugment_setters = { |
| "lb": writer.set_specaugment_lb_policy, |
| "ld": writer.set_specaugment_ld_policy, |
| "sm": writer.set_specaugment_sm_policy, |
| "ss": writer.set_specaugment_ss_policy, |
| } |
| specaugment_setter = specaugment_setters.get(specaugment_policy, None) |
| if specaugment_setter is not None: |
| specaugment_setter() |
|
|
| if cmvn_type not in ["global", "utterance"]: |
| raise NotImplementedError |
|
|
| if specaugment_policy is not None: |
| writer.set_feature_transforms("_train", [f"{cmvn_type}_cmvn", "specaugment"]) |
| writer.set_feature_transforms("*", [f"{cmvn_type}_cmvn"]) |
|
|
| if cmvn_type == "global": |
| if gcmvn_path is None: |
| raise ValueError("Please provide path of global cmvn file.") |
| else: |
| writer.set_global_cmvn(gcmvn_path.as_posix()) |
|
|
| if len(audio_root) > 0: |
| writer.set_audio_root(audio_root) |
|
|
| if ( |
| vocoder_type is not None |
| and vocoder_checkpoint is not None |
| and vocoder_cfg is not None |
| ): |
| writer.set_extra( |
| { |
| "vocoder": { |
| "type": vocoder_type, |
| "config": vocoder_cfg, |
| "checkpoint": vocoder_checkpoint, |
| } |
| } |
| ) |
|
|
| if extra is not None: |
| writer.set_extra(extra) |
| writer.flush() |
|
|
|
|
| def load_units(in_file): |
| out = {} |
| with open(in_file) as f: |
| for line in f: |
| sample_id, units = line.strip().split("|", 1) |
| out[sample_id] = units.split() |
|
|
| return out |
|
|
|
|
| def process_units(units, reduce=False): |
| if not reduce: |
| return units |
|
|
| out = [u for i, u in enumerate(units) if i == 0 or u != units[i - 1]] |
| return out |
|
|
