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PaddleSpeech/parakeet/exps/fastspeech2/preprocess.py

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# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import os
from concurrent.futures import ThreadPoolExecutor
from operator import itemgetter
from pathlib import Path
from typing import Any
from typing import Dict
from typing import List
import jsonlines
import librosa
import numpy as np
import tqdm
import yaml
from yacs.config import CfgNode
from parakeet.data.get_feats import Energy
from parakeet.data.get_feats import LogMelFBank
from parakeet.data.get_feats import Pitch
from parakeet.datasets.preprocess_utils import compare_duration_and_mel_length
from parakeet.datasets.preprocess_utils import get_input_token
from parakeet.datasets.preprocess_utils import get_phn_dur
from parakeet.datasets.preprocess_utils import get_spk_id_map
from parakeet.datasets.preprocess_utils import merge_silence
def process_sentence(config: Dict[str, Any],
fp: Path,
sentences: Dict,
output_dir: Path,
mel_extractor=None,
pitch_extractor=None,
energy_extractor=None,
cut_sil: bool=True):
utt_id = fp.stem
# for vctk
if utt_id.endswith("_mic2"):
utt_id = utt_id[:-5]
record = None
if utt_id in sentences:
# reading, resampling may occur
wav, _ = librosa.load(str(fp), sr=config.fs)
if len(wav.shape) != 1 or np.abs(wav).max() > 1.0:
return record
assert len(wav.shape) == 1, f"{utt_id} is not a mono-channel audio."
assert np.abs(wav).max(
) <= 1.0, f"{utt_id} is seems to be different that 16 bit PCM."
phones = sentences[utt_id][0]
durations = sentences[utt_id][1]
speaker = sentences[utt_id][2]
d_cumsum = np.pad(np.array(durations).cumsum(0), (1, 0), 'constant')
# little imprecise than use *.TextGrid directly
times = librosa.frames_to_time(
d_cumsum, sr=config.fs, hop_length=config.n_shift)
if cut_sil:
start = 0
end = d_cumsum[-1]
if phones[0] == "sil" and len(durations) > 1:
start = times[1]
durations = durations[1:]
phones = phones[1:]
if phones[-1] == 'sil' and len(durations) > 1:
end = times[-2]
durations = durations[:-1]
phones = phones[:-1]
sentences[utt_id][0] = phones
sentences[utt_id][1] = durations
start, end = librosa.time_to_samples([start, end], sr=config.fs)
wav = wav[start:end]
# extract mel feats
logmel = mel_extractor.get_log_mel_fbank(wav)
# change duration according to mel_length
compare_duration_and_mel_length(sentences, utt_id, logmel)
phones = sentences[utt_id][0]
durations = sentences[utt_id][1]
num_frames = logmel.shape[0]
assert sum(durations) == num_frames
mel_dir = output_dir / "data_speech"
mel_dir.mkdir(parents=True, exist_ok=True)
mel_path = mel_dir / (utt_id + "_speech.npy")
np.save(mel_path, logmel)
# extract pitch and energy
f0 = pitch_extractor.get_pitch(wav, duration=np.array(durations))
assert f0.shape[0] == len(durations)
f0_dir = output_dir / "data_pitch"
f0_dir.mkdir(parents=True, exist_ok=True)
f0_path = f0_dir / (utt_id + "_pitch.npy")
np.save(f0_path, f0)
energy = energy_extractor.get_energy(wav, duration=np.array(durations))
assert energy.shape[0] == len(durations)
energy_dir = output_dir / "data_energy"
energy_dir.mkdir(parents=True, exist_ok=True)
energy_path = energy_dir / (utt_id + "_energy.npy")
np.save(energy_path, energy)
record = {
"utt_id": utt_id,
"phones": phones,
"text_lengths": len(phones),
"speech_lengths": num_frames,
"durations": durations,
"speech": str(mel_path),
"pitch": str(f0_path),
"energy": str(energy_path),
"speaker": speaker
}
return record
def process_sentences(config,
fps: List[Path],
sentences: Dict,
output_dir: Path,
mel_extractor=None,
pitch_extractor=None,
energy_extractor=None,
nprocs: int=1,
cut_sil: bool=True):
if nprocs == 1:
results = []
for fp in fps:
record = process_sentence(config, fp, sentences, output_dir,
mel_extractor, pitch_extractor,
energy_extractor, cut_sil)
if record:
results.append(record)
else:
with ThreadPoolExecutor(nprocs) as pool:
futures = []
with tqdm.tqdm(total=len(fps)) as progress:
for fp in fps:
future = pool.submit(process_sentence, config, fp,
sentences, output_dir, mel_extractor,
pitch_extractor, energy_extractor,
cut_sil)
future.add_done_callback(lambda p: progress.update())
futures.append(future)
results = []
for ft in futures:
record = ft.result()
if record:
results.append(record)
results.sort(key=itemgetter("utt_id"))
with jsonlines.open(output_dir / "metadata.jsonl", 'w') as writer:
for item in results:
writer.write(item)
print("Done")
def main():
# parse config and args
parser = argparse.ArgumentParser(
description="Preprocess audio and then extract features.")
parser.add_argument(
"--dataset",
default="baker",
type=str,
help="name of dataset, should in {baker, aishell3, ljspeech, vctk} now")
parser.add_argument(
"--rootdir", default=None, type=str, help="directory to dataset.")
parser.add_argument(
"--dumpdir",
type=str,
required=True,
help="directory to dump feature files.")
parser.add_argument(
"--dur-file", default=None, type=str, help="path to durations.txt.")
parser.add_argument("--config", type=str, help="fastspeech2 config file.")
parser.add_argument(
"--verbose",
type=int,
default=1,
help="logging level. higher is more logging. (default=1)")
parser.add_argument(
"--num-cpu", type=int, default=1, help="number of process.")
def str2bool(str):
return True if str.lower() == 'true' else False
parser.add_argument(
"--cut-sil",
type=str2bool,
default=True,
help="whether cut sil in the edge of audio")
args = parser.parse_args()
rootdir = Path(args.rootdir).expanduser()
dumpdir = Path(args.dumpdir).expanduser()
# use absolute path
dumpdir = dumpdir.resolve()
dumpdir.mkdir(parents=True, exist_ok=True)
dur_file = Path(args.dur_file).expanduser()
assert rootdir.is_dir()
assert dur_file.is_file()
with open(args.config, 'rt') as f:
config = CfgNode(yaml.safe_load(f))
if args.verbose > 1:
print(vars(args))
print(config)
sentences, speaker_set = get_phn_dur(dur_file)
merge_silence(sentences)
phone_id_map_path = dumpdir / "phone_id_map.txt"
speaker_id_map_path = dumpdir / "speaker_id_map.txt"
get_input_token(sentences, phone_id_map_path, args.dataset)
get_spk_id_map(speaker_set, speaker_id_map_path)
if args.dataset == "baker":
wav_files = sorted(list((rootdir / "Wave").rglob("*.wav")))
# split data into 3 sections
num_train = 9800
num_dev = 100
train_wav_files = wav_files[:num_train]
dev_wav_files = wav_files[num_train:num_train + num_dev]
test_wav_files = wav_files[num_train + num_dev:]
elif args.dataset == "aishell3":
sub_num_dev = 5
wav_dir = rootdir / "train" / "wav"
train_wav_files = []
dev_wav_files = []
test_wav_files = []
for speaker in os.listdir(wav_dir):
wav_files = sorted(list((wav_dir / speaker).rglob("*.wav")))
if len(wav_files) > 100:
train_wav_files += wav_files[:-sub_num_dev * 2]
dev_wav_files += wav_files[-sub_num_dev * 2:-sub_num_dev]
test_wav_files += wav_files[-sub_num_dev:]
else:
train_wav_files += wav_files
elif args.dataset == "ljspeech":
wav_files = sorted(list((rootdir / "wavs").rglob("*.wav")))
# split data into 3 sections
num_train = 12900
num_dev = 100
train_wav_files = wav_files[:num_train]
dev_wav_files = wav_files[num_train:num_train + num_dev]
test_wav_files = wav_files[num_train + num_dev:]
elif args.dataset == "vctk":
sub_num_dev = 5
wav_dir = rootdir / "wav48_silence_trimmed"
train_wav_files = []
dev_wav_files = []
test_wav_files = []
for speaker in os.listdir(wav_dir):
wav_files = sorted(list((wav_dir / speaker).rglob("*_mic2.flac")))
if len(wav_files) > 100:
train_wav_files += wav_files[:-sub_num_dev * 2]
dev_wav_files += wav_files[-sub_num_dev * 2:-sub_num_dev]
test_wav_files += wav_files[-sub_num_dev:]
else:
train_wav_files += wav_files
else:
print("dataset should in {baker, aishell3, ljspeech, vctk} now!")
train_dump_dir = dumpdir / "train" / "raw"
train_dump_dir.mkdir(parents=True, exist_ok=True)
dev_dump_dir = dumpdir / "dev" / "raw"
dev_dump_dir.mkdir(parents=True, exist_ok=True)
test_dump_dir = dumpdir / "test" / "raw"
test_dump_dir.mkdir(parents=True, exist_ok=True)
# Extractor
mel_extractor = LogMelFBank(
sr=config.fs,
n_fft=config.n_fft,
hop_length=config.n_shift,
win_length=config.win_length,
window=config.window,
n_mels=config.n_mels,
fmin=config.fmin,
fmax=config.fmax)
pitch_extractor = Pitch(
sr=config.fs,
hop_length=config.n_shift,
f0min=config.f0min,
f0max=config.f0max)
energy_extractor = Energy(
sr=config.fs,
n_fft=config.n_fft,
hop_length=config.n_shift,
win_length=config.win_length,
window=config.window)
# process for the 3 sections
if train_wav_files:
process_sentences(
config,
train_wav_files,
sentences,
train_dump_dir,
mel_extractor,
pitch_extractor,
energy_extractor,
nprocs=args.num_cpu,
cut_sil=args.cut_sil)
if dev_wav_files:
process_sentences(
config,
dev_wav_files,
sentences,
dev_dump_dir,
mel_extractor,
pitch_extractor,
energy_extractor,
cut_sil=args.cut_sil)
if test_wav_files:
process_sentences(
config,
test_wav_files,
sentences,
test_dump_dir,
mel_extractor,
pitch_extractor,
energy_extractor,
nprocs=args.num_cpu,
cut_sil=args.cut_sil)
if __name__ == "__main__":
main()