vocoder-config.json

{
    "output_path": "/home/ubuntu/output-hifigan",
    "logger_uri": null,
    "run_name": "Thorsten-Neutral-Dec2021-22k-HifiGAN",
    "project_name": null,
    "run_description": "HifiGAN vocoder model for Thorsten Neutral Dec2021 22k Samplerate Tacotron2 DDC model",
    "print_step": 25,
    "plot_step": 100,
    "model_param_stats": false,
    "wandb_entity": null,
    "dashboard_logger": "tensorboard",
    "save_on_interrupt": true,
    "log_model_step": null,
    "save_step": 10000,
    "save_n_checkpoints": 5,
    "save_checkpoints": true,
    "save_all_best": false,
    "save_best_after": 10000,
    "target_loss": "loss_0",
    "print_eval": false,
    "test_delay_epochs": 5,
    "run_eval": true,
    "run_eval_steps": null,
    "distributed_backend": "nccl",
    "distributed_url": "tcp://localhost:54321",
    "mixed_precision": false,
    "precision": "fp16",
    "epochs": 1000,
    "batch_size": 32,
    "eval_batch_size": 16,
    "grad_clip": null,
    "scheduler_after_epoch": true,
    "lr": 0.0001,
    "optimizer": "AdamW",
    "optimizer_params": {
        "betas": [
            0.8,
            0.99
        ],
        "weight_decay": 0.0
    },
    "lr_scheduler": null,
    "lr_scheduler_params": {},
    "use_grad_scaler": false,
    "allow_tf32": false,
    "cudnn_enable": true,
    "cudnn_deterministic": false,
    "cudnn_benchmark": false,
    "training_seed": 54321,
    "model": "hifigan",
    "num_loader_workers": 4,
    "num_eval_loader_workers": 4,
    "use_noise_augment": true,
    "audio": {
        "fft_size": 1024,
        "win_length": 1024,
        "hop_length": 256,
        "frame_shift_ms": null,
        "frame_length_ms": null,
        "stft_pad_mode": "reflect",
        "sample_rate": 22050,
        "resample": false,
        "preemphasis": 0.0,
        "ref_level_db": 20,
        "do_sound_norm": false,
        "log_func": "np.log10",
        "do_trim_silence": true,
        "trim_db": 60,
        "do_rms_norm": false,
        "db_level": null,
        "power": 1.5,
        "griffin_lim_iters": 60,
        "num_mels": 80,
        "mel_fmin": 50.0,
        "mel_fmax": null,
        "spec_gain": 1,
        "do_amp_to_db_linear": true,
        "do_amp_to_db_mel": true,
        "pitch_fmax": 640.0,
        "pitch_fmin": 1.0,
        "signal_norm": false,
        "min_level_db": -100,
        "symmetric_norm": true,
        "max_norm": 4.0,
        "clip_norm": true,
        "stats_path": "scale_stats.npy"
    },
    "eval_split_size": 10,
    "data_path": "/home/ubuntu/Thorsten-Voice-Neutral-Dec2021-22kHz",
    "feature_path": "/home/ubuntu/features_330k",
    "seq_len": 8192,
    "pad_short": 2000,
    "conv_pad": 0,
    "use_cache": false,
    "wd": 1e-06,
    "use_stft_loss": false,
    "use_subband_stft_loss": false,
    "use_mse_gan_loss": true,
    "use_hinge_gan_loss": false,
    "use_feat_match_loss": true,
    "use_l1_spec_loss": true,
    "stft_loss_weight": 0.0,
    "subband_stft_loss_weight": 0.0,
    "mse_G_loss_weight": 1.0,
    "hinge_G_loss_weight": 0.0,
    "feat_match_loss_weight": 108.0,
    "l1_spec_loss_weight": 45.0,
    "stft_loss_params": {
        "n_ffts": [
            1024,
            2048,
            512
        ],
        "hop_lengths": [
            120,
            240,
            50
        ],
        "win_lengths": [
            600,
            1200,
            240
        ]
    },
    "l1_spec_loss_params": {
        "use_mel": true,
        "sample_rate": 22050,
        "n_fft": 1024,
        "hop_length": 256,
        "win_length": 1024,
        "n_mels": 80,
        "mel_fmin": 50.0,
        "mel_fmax": null
    },
    "lr_gen": 0.0001,
    "lr_disc": 0.0001,
    "lr_scheduler_gen": "ExponentialLR",
    "lr_scheduler_gen_params": {
        "gamma": 0.999,
        "last_epoch": -1
    },
    "lr_scheduler_disc": "ExponentialLR",
    "lr_scheduler_disc_params": {
        "gamma": 0.999,
        "last_epoch": -1
    },
    "use_pqmf": false,
    "diff_samples_for_G_and_D": false,
    "discriminator_model": "hifigan_discriminator",
    "generator_model": "hifigan_generator",
    "generator_model_params": {
        "upsample_factors": [
            8,
            8,
            2,
            2
        ],
        "upsample_kernel_sizes": [
            16,
            16,
            4,
            4
        ],
        "upsample_initial_channel": 512,
        "resblock_kernel_sizes": [
            3,
            7,
            11
        ],
        "resblock_dilation_sizes": [
            [
                1,
                3,
                5
            ],
            [
                1,
                3,
                5
            ],
            [
                1,
                3,
                5
            ]
        ],
        "resblock_type": "1"
    }
}