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296 lines
10 KiB
296 lines
10 KiB
# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import os
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from concurrent.futures import ThreadPoolExecutor
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from operator import itemgetter
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from pathlib import Path
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from typing import Any
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from typing import Dict
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from typing import List
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import jsonlines
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import librosa
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import numpy as np
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import tqdm
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import yaml
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from yacs.config import CfgNode
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from paddlespeech.t2s.datasets.get_feats import LogMelFBank
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from paddlespeech.t2s.datasets.preprocess_utils import get_phn_dur
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from paddlespeech.t2s.datasets.preprocess_utils import merge_silence
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from paddlespeech.t2s.utils import str2bool
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def process_sentence(config: Dict[str, Any],
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fp: Path,
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sentences: Dict,
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output_dir: Path,
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mel_extractor=None,
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cut_sil: bool=True):
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utt_id = fp.stem
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# for vctk
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if utt_id.endswith("_mic2"):
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utt_id = utt_id[:-5]
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record = None
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if utt_id in sentences:
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# reading, resampling may occur
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y, _ = librosa.load(str(fp), sr=config.fs)
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if len(y.shape) != 1:
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return record
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max_value = np.abs(y).max()
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if max_value > 1.0:
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y = y / max_value
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assert len(y.shape) == 1, f"{utt_id} is not a mono-channel audio."
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assert np.abs(y).max(
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) <= 1.0, f"{utt_id} is seems to be different that 16 bit PCM."
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phones = sentences[utt_id][0]
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durations = sentences[utt_id][1]
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speaker = sentences[utt_id][2]
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d_cumsum = np.pad(np.array(durations).cumsum(0), (1, 0), 'constant')
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# little imprecise than use *.TextGrid directly
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times = librosa.frames_to_time(
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d_cumsum, sr=config.fs, hop_length=config.n_shift)
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if cut_sil:
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start = 0
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end = d_cumsum[-1]
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if phones[0] == "sil" and len(durations) > 1:
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start = times[1]
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durations = durations[1:]
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phones = phones[1:]
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if phones[-1] == 'sil' and len(durations) > 1:
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end = times[-2]
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durations = durations[:-1]
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phones = phones[:-1]
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sentences[utt_id][0] = phones
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sentences[utt_id][1] = durations
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start, end = librosa.time_to_samples([start, end], sr=config.fs)
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y = y[start:end]
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# extract mel feats
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logmel = mel_extractor.get_log_mel_fbank(y)
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# adjust time to make num_samples == num_frames * hop_length
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num_frames = logmel.shape[0]
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if y.size < num_frames * config.n_shift:
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y = np.pad(
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y, (0, num_frames * config.n_shift - y.size), mode="reflect")
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else:
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y = y[:num_frames * config.n_shift]
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num_sample = y.shape[0]
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mel_path = output_dir / (utt_id + "_feats.npy")
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wav_path = output_dir / (utt_id + "_wave.npy")
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np.save(wav_path, y) # (num_samples, )
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np.save(mel_path, logmel) # (num_frames, n_mels)
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record = {
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"utt_id": utt_id,
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"num_samples": num_sample,
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"num_frames": num_frames,
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"feats": str(mel_path),
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"wave": str(wav_path),
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}
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return record
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def process_sentences(config,
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fps: List[Path],
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sentences: Dict,
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output_dir: Path,
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mel_extractor=None,
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nprocs: int=1,
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cut_sil: bool=True):
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if nprocs == 1:
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results = []
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for fp in tqdm.tqdm(fps, total=len(fps)):
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record = process_sentence(config, fp, sentences, output_dir,
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mel_extractor, cut_sil)
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if record:
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results.append(record)
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else:
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with ThreadPoolExecutor(nprocs) as pool:
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futures = []
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with tqdm.tqdm(total=len(fps)) as progress:
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for fp in fps:
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future = pool.submit(process_sentence, config, fp,
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sentences, output_dir, mel_extractor,
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cut_sil)
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future.add_done_callback(lambda p: progress.update())
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futures.append(future)
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results = []
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for ft in futures:
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record = ft.result()
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if record:
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results.append(record)
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results.sort(key=itemgetter("utt_id"))
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with jsonlines.open(output_dir / "metadata.jsonl", 'w') as writer:
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for item in results:
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writer.write(item)
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print("Done")
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def main():
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# parse config and args
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parser = argparse.ArgumentParser(
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description="Preprocess audio and then extract features .")
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parser.add_argument(
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"--dataset",
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default="baker",
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type=str,
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help="name of dataset, should in {baker, ljspeech, vctk} now")
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parser.add_argument(
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"--rootdir", default=None, type=str, help="directory to dataset.")
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parser.add_argument(
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"--dumpdir",
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type=str,
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required=True,
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help="directory to dump feature files.")
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parser.add_argument("--config", type=str, help="vocoder config file.")
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parser.add_argument(
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"--verbose",
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type=int,
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default=1,
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help="logging level. higher is more logging. (default=1)")
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parser.add_argument(
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"--num-cpu", type=int, default=1, help="number of process.")
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parser.add_argument(
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"--dur-file", default=None, type=str, help="path to durations.txt.")
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parser.add_argument(
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"--cut-sil",
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type=str2bool,
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default=True,
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help="whether cut sil in the edge of audio")
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args = parser.parse_args()
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rootdir = Path(args.rootdir).expanduser()
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dumpdir = Path(args.dumpdir).expanduser()
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# use absolute path
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dumpdir = dumpdir.resolve()
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dumpdir.mkdir(parents=True, exist_ok=True)
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dur_file = Path(args.dur_file).expanduser()
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assert rootdir.is_dir()
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assert dur_file.is_file()
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with open(args.config, 'rt') as f:
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config = CfgNode(yaml.safe_load(f))
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if args.verbose > 1:
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print(vars(args))
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print(config)
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sentences, speaker_set = get_phn_dur(dur_file)
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merge_silence(sentences)
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# split data into 3 sections
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if args.dataset == "baker":
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wav_files = sorted(list((rootdir / "Wave").rglob("*.wav")))
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num_train = 9800
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num_dev = 100
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train_wav_files = wav_files[:num_train]
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dev_wav_files = wav_files[num_train:num_train + num_dev]
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test_wav_files = wav_files[num_train + num_dev:]
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elif args.dataset == "ljspeech":
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wav_files = sorted(list((rootdir / "wavs").rglob("*.wav")))
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# split data into 3 sections
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num_train = 12900
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num_dev = 100
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train_wav_files = wav_files[:num_train]
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dev_wav_files = wav_files[num_train:num_train + num_dev]
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test_wav_files = wav_files[num_train + num_dev:]
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elif args.dataset == "vctk":
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sub_num_dev = 5
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wav_dir = rootdir / "wav48_silence_trimmed"
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train_wav_files = []
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dev_wav_files = []
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test_wav_files = []
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for speaker in os.listdir(wav_dir):
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wav_files = sorted(list((wav_dir / speaker).rglob("*_mic2.flac")))
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if len(wav_files) > 100:
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train_wav_files += wav_files[:-sub_num_dev * 2]
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dev_wav_files += wav_files[-sub_num_dev * 2:-sub_num_dev]
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test_wav_files += wav_files[-sub_num_dev:]
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else:
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train_wav_files += wav_files
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elif args.dataset == "aishell3":
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sub_num_dev = 5
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wav_dir = rootdir / "train" / "wav"
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train_wav_files = []
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dev_wav_files = []
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test_wav_files = []
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for speaker in os.listdir(wav_dir):
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wav_files = sorted(list((wav_dir / speaker).rglob("*.wav")))
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if len(wav_files) > 100:
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train_wav_files += wav_files[:-sub_num_dev * 2]
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dev_wav_files += wav_files[-sub_num_dev * 2:-sub_num_dev]
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test_wav_files += wav_files[-sub_num_dev:]
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else:
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train_wav_files += wav_files
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else:
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print("dataset should in {baker, ljspeech, vctk, aishell3} now!")
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train_dump_dir = dumpdir / "train" / "raw"
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train_dump_dir.mkdir(parents=True, exist_ok=True)
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dev_dump_dir = dumpdir / "dev" / "raw"
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dev_dump_dir.mkdir(parents=True, exist_ok=True)
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test_dump_dir = dumpdir / "test" / "raw"
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test_dump_dir.mkdir(parents=True, exist_ok=True)
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mel_extractor = LogMelFBank(
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sr=config.fs,
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n_fft=config.n_fft,
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hop_length=config.n_shift,
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win_length=config.win_length,
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window=config.window,
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n_mels=config.n_mels,
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fmin=config.fmin,
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fmax=config.fmax)
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# process for the 3 sections
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if train_wav_files:
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process_sentences(
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config,
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train_wav_files,
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sentences,
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train_dump_dir,
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mel_extractor=mel_extractor,
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nprocs=args.num_cpu,
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cut_sil=args.cut_sil)
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if dev_wav_files:
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process_sentences(
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config,
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dev_wav_files,
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sentences,
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dev_dump_dir,
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mel_extractor=mel_extractor,
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nprocs=args.num_cpu,
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cut_sil=args.cut_sil)
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if test_wav_files:
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process_sentences(
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config,
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test_wav_files,
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sentences,
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test_dump_dir,
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mel_extractor=mel_extractor,
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nprocs=args.num_cpu,
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cut_sil=args.cut_sil)
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if __name__ == "__main__":
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main()
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