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PaddleSpeech/examples/vctk/fastspeech2/baker/synthesize_e2e.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 logging
from pathlib import Path
import numpy as np
import paddle
import soundfile as sf
import yaml
from parakeet.frontend.zh_frontend import Frontend
from parakeet.models.fastspeech2 import FastSpeech2
from parakeet.models.fastspeech2 import FastSpeech2Inference
from parakeet.models.parallel_wavegan import PWGGenerator
from parakeet.models.parallel_wavegan import PWGInference
from parakeet.modules.normalizer import ZScore
from yacs.config import CfgNode
def evaluate(args, fastspeech2_config, pwg_config):
# dataloader has been too verbose
logging.getLogger("DataLoader").disabled = True
# construct dataset for evaluation
sentences = []
with open(args.text, 'rt') as f:
for line in f:
utt_id, sentence = line.strip().split()
sentences.append((utt_id, sentence))
with open(args.phones_dict, "r") as f:
phn_id = [line.strip().split() for line in f.readlines()]
vocab_size = len(phn_id)
print("vocab_size:", vocab_size)
odim = fastspeech2_config.n_mels
model = FastSpeech2(
idim=vocab_size, odim=odim, **fastspeech2_config["model"])
model.set_state_dict(
paddle.load(args.fastspeech2_checkpoint)["main_params"])
model.eval()
vocoder = PWGGenerator(**pwg_config["generator_params"])
vocoder.set_state_dict(paddle.load(args.pwg_checkpoint)["generator_params"])
vocoder.remove_weight_norm()
vocoder.eval()
print("model done!")
frontend = Frontend(phone_vocab_path=args.phones_dict)
print("frontend done!")
stat = np.load(args.fastspeech2_stat)
mu, std = stat
mu = paddle.to_tensor(mu)
std = paddle.to_tensor(std)
fastspeech2_normalizer = ZScore(mu, std)
stat = np.load(args.pwg_stat)
mu, std = stat
mu = paddle.to_tensor(mu)
std = paddle.to_tensor(std)
pwg_normalizer = ZScore(mu, std)
fastspeech2_inference = FastSpeech2Inference(fastspeech2_normalizer, model)
pwg_inference = PWGInference(pwg_normalizer, vocoder)
output_dir = Path(args.output_dir)
output_dir.mkdir(parents=True, exist_ok=True)
for utt_id, sentence in sentences:
input_ids = frontend.get_input_ids(sentence, merge_sentences=True)
phone_ids = input_ids["phone_ids"]
flags = 0
for part_phone_ids in phone_ids:
with paddle.no_grad():
mel = fastspeech2_inference(part_phone_ids)
temp_wav = pwg_inference(mel)
if flags == 0:
wav = temp_wav
flags = 1
else:
wav = paddle.concat([wav, temp_wav])
sf.write(
str(output_dir / (utt_id + ".wav")),
wav.numpy(),
samplerate=fastspeech2_config.fs)
print(f"{utt_id} done!")
def main():
# parse args and config and redirect to train_sp
parser = argparse.ArgumentParser(
description="Synthesize with fastspeech2 & parallel wavegan.")
parser.add_argument(
"--fastspeech2-config", type=str, help="fastspeech2 config file.")
parser.add_argument(
"--fastspeech2-checkpoint",
type=str,
help="fastspeech2 checkpoint to load.")
parser.add_argument(
"--fastspeech2-stat",
type=str,
help="mean and standard deviation used to normalize spectrogram when training fastspeech2."
)
parser.add_argument(
"--pwg-config", type=str, help="parallel wavegan config file.")
parser.add_argument(
"--pwg-checkpoint",
type=str,
help="parallel wavegan generator parameters to load.")
parser.add_argument(
"--pwg-stat",
type=str,
help="mean and standard deviation used to normalize spectrogram when training parallel wavegan."
)
parser.add_argument(
"--phones-dict",
type=str,
default="phone_id_map.txt",
help="phone vocabulary file.")
parser.add_argument(
"--text",
type=str,
help="text to synthesize, a 'utt_id sentence' pair per line.")
parser.add_argument("--output-dir", type=str, help="output dir.")
parser.add_argument(
"--device", type=str, default="gpu", help="device type to use.")
parser.add_argument("--verbose", type=int, default=1, help="verbose.")
args = parser.parse_args()
paddle.set_device(args.device)
with open(args.fastspeech2_config) as f:
fastspeech2_config = CfgNode(yaml.safe_load(f))
with open(args.pwg_config) as f:
pwg_config = CfgNode(yaml.safe_load(f))
print("========Args========")
print(yaml.safe_dump(vars(args)))
print("========Config========")
print(fastspeech2_config)
print(pwg_config)
evaluate(args, fastspeech2_config, pwg_config)
if __name__ == "__main__":
main()