mirror of https://github.com/coqui-ai/TTS.git
add pwgan vocoder config
erogol
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4e79b8bc41
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{
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"run_name": "pwgan",
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"run_description": "parallel-wavegan training",
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// AUDIO PARAMETERS
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"audio":{
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"fft_size": 1024, // number of stft frequency levels. Size of the linear spectogram frame.
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"win_length": 1024, // stft window length in ms.
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"hop_length": 256, // stft window hop-lengh in ms.
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"frame_length_ms": null, // stft window length in ms.If null, 'win_length' is used.
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"frame_shift_ms": null, // stft window hop-lengh in ms. If null, 'hop_length' is used.
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// Audio processing parameters
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"sample_rate": 22050, // DATASET-RELATED: wav sample-rate. If different than the original data, it is resampled.
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"preemphasis": 0.0, // pre-emphasis to reduce spec noise and make it more structured. If 0.0, no -pre-emphasis.
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"ref_level_db": 0, // reference level db, theoretically 20db is the sound of air.
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// Silence trimming
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"do_trim_silence": true,// enable trimming of slience of audio as you load it. LJspeech (false), TWEB (false), Nancy (true)
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"trim_db": 60, // threshold for timming silence. Set this according to your dataset.
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// MelSpectrogram parameters
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"num_mels": 80, // size of the mel spec frame.
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"mel_fmin": 50.0, // minimum freq level for mel-spec. ~50 for male and ~95 for female voices. Tune for dataset!!
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"mel_fmax": 7600.0, // maximum freq level for mel-spec. Tune for dataset!!
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"spec_gain": 1.0, // scaler value appplied after log transform of spectrogram.
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// Normalization parameters
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"signal_norm": true, // normalize spec values. Mean-Var normalization if 'stats_path' is defined otherwise range normalization defined by the other params.
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"min_level_db": -100, // lower bound for normalization
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"symmetric_norm": true, // move normalization to range [-1, 1]
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"max_norm": 4.0, // scale normalization to range [-max_norm, max_norm] or [0, max_norm]
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"clip_norm": true, // clip normalized values into the range.
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"stats_path": "/home/erogol/Data/LJSpeech-1.1/scale_stats.npy" // DO NOT USE WITH MULTI_SPEAKER MODEL. scaler stats file computed by 'compute_statistics.py'. If it is defined, mean-std based notmalization is used and other normalization params are ignored
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},
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// DISTRIBUTED TRAINING
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// "distributed":{
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// "backend": "nccl",
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// "url": "tcp:\/\/localhost:54321"
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// },
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// MODEL PARAMETERS
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"use_pqmf": true,
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// LOSS PARAMETERS
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"use_stft_loss": true,
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"use_subband_stft_loss": false, // USE ONLY WITH MULTIBAND MODELS
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"use_mse_gan_loss": true,
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"use_hinge_gan_loss": false,
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"use_feat_match_loss": false, // use only with melgan discriminators
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// loss weights
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"stft_loss_weight": 0.5,
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"subband_stft_loss_weight": 0.5,
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"mse_G_loss_weight": 2.5,
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"hinge_G_loss_weight": 2.5,
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"feat_match_loss_weight": 25,
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// multiscale stft loss parameters
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"stft_loss_params": {
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"n_ffts": [1024, 2048, 512],
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"hop_lengths": [120, 240, 50],
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"win_lengths": [600, 1200, 240]
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},
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// subband multiscale stft loss parameters
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"subband_stft_loss_params":{
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"n_ffts": [384, 683, 171],
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"hop_lengths": [30, 60, 10],
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"win_lengths": [150, 300, 60]
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},
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"target_loss": "avg_G_loss", // loss value to pick the best model to save after each epoch
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// DISCRIMINATOR
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"discriminator_model": "parallel_wavegan_discriminator",
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"discriminator_model_params":{
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"num_layers": 10
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},
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"steps_to_start_discriminator": 200000, // steps required to start GAN trainining.1
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// GENERATOR
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"generator_model": "parallel_wavegan_generator",
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"generator_model_params": {
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"upsample_factors":[4, 4, 4, 4],
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"stacks": 3,
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"num_res_blocks": 30
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},
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// DATASET
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"data_path": "/home/erogol/Data/LJSpeech-1.1/wavs/",
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"feature_path": null,
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"seq_len": 25600,
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"pad_short": 2000,
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"conv_pad": 0,
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"use_noise_augment": false,
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"use_cache": true,
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"reinit_layers": [], // give a list of layer names to restore from the given checkpoint. If not defined, it reloads all heuristically matching layers.
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// TRAINING
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"batch_size": 6, // Batch size for training. Lower values than 32 might cause hard to learn attention. It is overwritten by 'gradual_training'.
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// VALIDATION
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"run_eval": true,
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"test_delay_epochs": 10, //Until attention is aligned, testing only wastes computation time.
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"test_sentences_file": null, // set a file to load sentences to be used for testing. If it is null then we use default english sentences.
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// OPTIMIZER
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"epochs": 10000, // total number of epochs to train.
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"wd": 0.0, // Weight decay weight.
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"gen_clip_grad": -1, // Generator gradient clipping threshold. Apply gradient clipping if > 0
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"disc_clip_grad": -1, // Discriminator gradient clipping threshold.
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"lr_scheduler_gen": "MultiStepLR", // one of the schedulers from https://pytorch.org/docs/stable/optim.html#how-to-adjust-learning-rate
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"lr_scheduler_gen_params": {
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"gamma": 0.5,
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"milestones": [100000, 200000, 300000, 400000, 500000, 600000]
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},
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"lr_scheduler_disc": "MultiStepLR", // one of the schedulers from https://pytorch.org/docs/stable/optim.html#how-to-adjust-learning-rate
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"lr_scheduler_disc_params": {
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"gamma": 0.5,
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"milestones": [100000, 200000, 300000, 400000, 500000, 600000]
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},
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"lr_gen": 1e-4, // Initial learning rate. If Noam decay is active, maximum learning rate.
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"lr_disc": 1e-4,
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// TENSORBOARD and LOGGING
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"print_step": 25, // Number of steps to log traning on console.
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"print_eval": false, // If True, it prints loss values for each step in eval run.
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"save_step": 25000, // Number of training steps expected to plot training stats on TB and save model checkpoints.
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"checkpoint": true, // If true, it saves checkpoints per "save_step"
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"tb_model_param_stats": false, // true, plots param stats per layer on tensorboard. Might be memory consuming, but good for debugging.
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// DATA LOADING
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"num_loader_workers": 4, // number of training data loader processes. Don't set it too big. 4-8 are good values.
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"num_val_loader_workers": 4, // number of evaluation data loader processes.
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"eval_split_size": 10,
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// PATHS
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"output_path": "/home/erogol/Models/LJSpeech/"
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}
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