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Add YourTTS VCTK recipe (#2198)
* Add YourTTS VCTK recipe * Fix lint * Add compute_embeddings and resample_files functions to be able to reuse it * Add automatic download and speaker embedding computation for YourTTS VCTK recipe * Add parameter for eval metadata file on compute embeddings function
This commit is contained in:
Edresson Casanova
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import os
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import torch
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from trainer import Trainer, TrainerArgs
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from TTS.bin.compute_embeddings import compute_embeddings
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from TTS.bin.resample import resample_files
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from TTS.config.shared_configs import BaseDatasetConfig
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from TTS.tts.configs.vits_config import VitsConfig
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from TTS.tts.datasets import load_tts_samples
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from TTS.tts.models.vits import Vits, VitsArgs, VitsAudioConfig
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from TTS.utils.downloaders import download_vctk
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torch.set_num_threads(24)
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# pylint: disable=W0105
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"""
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This recipe replicates the first experiment proposed in the YourTTS paper (https://arxiv.org/abs/2112.02418).
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YourTTS model is based on the VITS model however it uses external speaker embeddings extracted from a pre-trained speaker encoder and has small architecture changes.
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In addition, YourTTS can be trained in multilingual data, however, this recipe replicates the single language training using the VCTK dataset.
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If you are interested in multilingual training, we have commented on parameters on the VitsArgs class instance that should be enabled for multilingual training.
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In addition, you will need to add the extra datasets following the VCTK as an example.
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"""
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CURRENT_PATH = os.path.dirname(os.path.abspath(__file__))
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# Name of the run for the Trainer
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RUN_NAME = "YourTTS-EN-VCTK"
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# Path where you want to save the models outputs (configs, checkpoints and tensorboard logs)
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OUT_PATH = os.path.dirname(os.path.abspath(__file__)) # "/raid/coqui/Checkpoints/original-YourTTS/"
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# If you want to do transfer learning and speedup your training you can set here the path to the original YourTTS model
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RESTORE_PATH = None # "/root/.local/share/tts/tts_models--multilingual--multi-dataset--your_tts/model_file.pth"
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# This paramter is usefull to debug, it skips the training epochs and just do the evaluation and produce the test sentences
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SKIP_TRAIN_EPOCH = False
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# Set here the batch size to be used in training and evaluation
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BATCH_SIZE = 32
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# Training Sampling rate and the target sampling rate for resampling the downloaded dataset (Note: If you change this you might need to redownload the dataset !!)
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# Note: If you add new datasets, please make sure that the dataset sampling rate and this parameter are matching, otherwise resample your audios
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SAMPLE_RATE = 16000
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# Max audio length in seconds to be used in training (every audio bigger than it will be ignored)
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MAX_AUDIO_LEN_IN_SECONDS = 10
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### Download VCTK dataset
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VCTK_DOWNLOAD_PATH = os.path.join(CURRENT_PATH, "VCTK")
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# Define the number of threads used during the audio resampling
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NUM_RESAMPLE_THREADS = 10
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# Check if VCTK dataset is not already downloaded, if not download it
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if not os.path.exists(VCTK_DOWNLOAD_PATH):
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print(">>> Downloading VCTK dataset:")
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download_vctk(VCTK_DOWNLOAD_PATH)
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resample_files(VCTK_DOWNLOAD_PATH, SAMPLE_RATE, file_ext="flac", n_jobs=NUM_RESAMPLE_THREADS)
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# init configs
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vctk_config = BaseDatasetConfig(
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formatter="vctk", dataset_name="vctk", meta_file_train="", meta_file_val="", path=VCTK_DOWNLOAD_PATH, language="en"
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)
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# Add here all datasets configs, in our case we just want to train with the VCTK dataset then we need to add just VCTK. Note: If you want to added new datasets just added they here and it will automatically compute the speaker embeddings (d-vectors) for this new dataset :)
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DATASETS_CONFIG_LIST = [vctk_config]
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### Extract speaker embeddings
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SPEAKER_ENCODER_CHECKPOINT_PATH = (
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"https://github.com/coqui-ai/TTS/releases/download/speaker_encoder_model/model_se.pth.tar"
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)
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SPEAKER_ENCODER_CONFIG_PATH = "https://github.com/coqui-ai/TTS/releases/download/speaker_encoder_model/config_se.json"
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D_VECTOR_FILES = [] # List of speaker embeddings/d-vectors to be used during the training
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# Iterates all the dataset configs checking if the speakers embeddings are already computated, if not compute it
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for dataset_conf in DATASETS_CONFIG_LIST:
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# Check if the embeddings weren't already computed, if not compute it
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embeddings_file = os.path.join(dataset_conf.path, "speakers.pth")
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if not os.path.isfile(embeddings_file):
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print(f">>> Computing the speaker embeddings for the {dataset_conf.dataset_name} dataset")
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compute_embeddings(
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SPEAKER_ENCODER_CHECKPOINT_PATH,
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SPEAKER_ENCODER_CONFIG_PATH,
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embeddings_file,
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old_spakers_file=None,
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config_dataset_path=None,
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formatter_name=dataset_conf.formatter,
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dataset_name=dataset_conf.dataset_name,
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dataset_path=dataset_conf.path,
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meta_file_train=dataset_conf.meta_file_train,
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meta_file_val=dataset_conf.meta_file_val,
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disable_cuda=False,
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no_eval=False,
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)
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D_VECTOR_FILES.append(embeddings_file)
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# Audio config used in training.
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audio_config = VitsAudioConfig(
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sample_rate=SAMPLE_RATE,
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hop_length=256,
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win_length=1024,
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fft_size=1024,
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mel_fmin=0.0,
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mel_fmax=None,
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num_mels=80,
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)
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# Init VITSArgs setting the arguments that is needed for the YourTTS model
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model_args = VitsArgs(
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d_vector_file=D_VECTOR_FILES,
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use_d_vector_file=True,
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d_vector_dim=512,
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num_layers_text_encoder=10,
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resblock_type_decoder="2", # On the paper, we accidentally trained the YourTTS using ResNet blocks type 2, if you like you can use the ResNet blocks type 1 like the VITS model
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# Usefull parameters to enable the Speaker Consistency Loss (SCL) discribed in the paper
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# use_speaker_encoder_as_loss=True,
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# speaker_encoder_model_path=SPEAKER_ENCODER_CHECKPOINT_PATH,
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# speaker_encoder_config_path=SPEAKER_ENCODER_CONFIG_PATH,
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# Usefull parameters to the enable multilingual training
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# use_language_embedding=True,
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# embedded_language_dim=4,
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)
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# General training config, here you can change the batch size and others usefull parameters
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config = VitsConfig(
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output_path=OUT_PATH,
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model_args=model_args,
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run_name=RUN_NAME,
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project_name="YourTTS",
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run_description="""
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- Original YourTTS trained using VCTK dataset
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""",
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dashboard_logger="tensorboard",
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logger_uri=None,
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audio=audio_config,
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batch_size=BATCH_SIZE,
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batch_group_size=48,
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eval_batch_size=BATCH_SIZE,
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num_loader_workers=8,
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eval_split_max_size=256,
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print_step=50,
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plot_step=100,
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log_model_step=1000,
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save_step=5000,
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save_n_checkpoints=2,
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save_checkpoints=True,
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target_loss="loss_1",
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print_eval=False,
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use_phonemes=False,
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phonemizer="espeak",
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phoneme_language="en",
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compute_input_seq_cache=True,
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add_blank=True,
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text_cleaner="english_cleaners",
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phoneme_cache_path=None,
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precompute_num_workers=12,
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start_by_longest=True,
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datasets=DATASETS_CONFIG_LIST,
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cudnn_benchmark=False,
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max_audio_len=SAMPLE_RATE * MAX_AUDIO_LEN_IN_SECONDS,
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mixed_precision=False,
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test_sentences=[
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[
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"It took me quite a long time to develop a voice, and now that I have it I'm not going to be silent.",
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"VCTK_p277",
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None,
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"en",
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],
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[
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"Be a voice, not an echo.",
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"VCTK_p239",
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None,
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"en",
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],
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[
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"I'm sorry Dave. I'm afraid I can't do that.",
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"VCTK_p258",
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None,
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"en",
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],
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[
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"This cake is great. It's so delicious and moist.",
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"VCTK_p244",
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None,
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"en",
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],
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[
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"Prior to November 22, 1963.",
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"VCTK_p305",
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None,
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"en",
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],
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],
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# Enable the weighted sampler
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use_weighted_sampler=True,
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# Ensures that all speakers are seen in the training batch equally no matter how many samples each speaker has
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weighted_sampler_attrs={"speaker_name": 1.0},
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# It defines the Speaker Consistency Loss (SCL) α to 9 like the paper
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speaker_encoder_loss_alpha=9.0,
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)
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# Load all the datasets samples and split traning and evaluation sets
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train_samples, eval_samples = load_tts_samples(
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config.datasets,
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eval_split=True,
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eval_split_max_size=config.eval_split_max_size,
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eval_split_size=config.eval_split_size,
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)
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# Init the model
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model = Vits.init_from_config(config)
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# Init the trainer and 🚀
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trainer = Trainer(
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TrainerArgs(restore_path=RESTORE_PATH, skip_train_epoch=SKIP_TRAIN_EPOCH),
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config,
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output_path=OUT_PATH,
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model=model,
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train_samples=train_samples,
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eval_samples=eval_samples,
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)
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trainer.fit()
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