icefall/egs/ljspeech/TTS/vits/tokenizer.py
zr_jin 735fb9a73d
A TTS recipe VITS on VCTK dataset (#1380)
* init

* isort formatted

* minor updates

* Create shared

* Update prepare_tokens_vctk.py

* Update prepare_tokens_vctk.py

* Update prepare_tokens_vctk.py

* Update prepare.sh

* updated

* Update train.py

* Update train.py

* Update tts_datamodule.py

* Update train.py

* Update train.py

* Update train.py

* Update train.py

* Update train.py

* Update train.py

* fixed formatting issue

* Update infer.py

* removed redundant files

* Create monotonic_align

* removed redundant files

* created symlinks

* Update prepare.sh

* minor adjustments

* Create requirements_tts.txt

* Update requirements_tts.txt

added version constraints

* Update infer.py

* Update infer.py

* Update infer.py

* updated docs

* Update export-onnx.py

* Update export-onnx.py

* Update test_onnx.py

* updated requirements.txt

* Update test_onnx.py

* Update test_onnx.py

* docs updated

* docs fixed

* minor updates
2023-12-06 09:59:19 +08:00

109 lines
3.4 KiB
Python

# Copyright 2023 Xiaomi Corp. (authors: Zengwei Yao)
#
# See ../../LICENSE for clarification regarding multiple authors
#
# 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.
from typing import Dict, List
import g2p_en
import tacotron_cleaner.cleaners
from utils import intersperse
class Tokenizer(object):
def __init__(self, tokens: str):
"""
Args:
tokens: the file that maps tokens to ids
"""
# Parse token file
self.token2id: Dict[str, int] = {}
with open(tokens, "r", encoding="utf-8") as f:
for line in f.readlines():
info = line.rstrip().split()
if len(info) == 1:
# case of space
token = " "
id = int(info[0])
else:
token, id = info[0], int(info[1])
self.token2id[token] = id
self.blank_id = self.token2id["<blk>"]
self.oov_id = self.token2id["<unk>"]
self.vocab_size = len(self.token2id)
self.g2p = g2p_en.G2p()
def texts_to_token_ids(self, texts: List[str], intersperse_blank: bool = True):
"""
Args:
texts:
A list of transcripts.
intersperse_blank:
Whether to intersperse blanks in the token sequence.
Returns:
Return a list of token id list [utterance][token_id]
"""
token_ids_list = []
for text in texts:
# Text normalization
text = tacotron_cleaner.cleaners.custom_english_cleaners(text)
# Convert to phonemes
tokens = self.g2p(text)
token_ids = []
for t in tokens:
if t in self.token2id:
token_ids.append(self.token2id[t])
else:
token_ids.append(self.oov_id)
if intersperse_blank:
token_ids = intersperse(token_ids, self.blank_id)
token_ids_list.append(token_ids)
return token_ids_list
def tokens_to_token_ids(
self, tokens_list: List[str], intersperse_blank: bool = True
):
"""
Args:
tokens_list:
A list of token list, each corresponding to one utterance.
intersperse_blank:
Whether to intersperse blanks in the token sequence.
Returns:
Return a list of token id list [utterance][token_id]
"""
token_ids_list = []
for tokens in tokens_list:
token_ids = []
for t in tokens:
if t in self.token2id:
token_ids.append(self.token2id[t])
else:
token_ids.append(self.oov_id)
if intersperse_blank:
token_ids = intersperse(token_ids, self.blank_id)
token_ids_list.append(token_ids)
return token_ids_list