egs/vocoder/diffusion/diffwave/exp_config.json

{
  "base_config": "egs/vocoder/diffusion/exp_config_base.json",
  "preprocess": {
    // acoustic features
    "extract_mel": true,
    "extract_audio": true,

    // Features used for model training
    "use_mel": true,
    "use_audio": true,
  },
  "model": {
    "generator": "diffwave",
    "diffwave": {
        "residual_channels": 64,
        "residual_layers": 30,
        "dilation_cycle_length": 10,
        "noise_schedule_factors": [1.0e-4, 0.05, 50],
        "inference_noise_schedule": [0.0001, 0.001, 0.01, 0.05, 0.2, 0.5],
        "upsample_factors": [16, 16],
    }
  },
  "inference": {
    "batch_size": 1,
  }
}