{
  "framework": "tensorflow",
  "task" : "text-to-speech",
  "model" : {
    "type" : "sambert-hifigan",
    "lang_type" : "zhcn",
    "sample_rate" : 16000,
    "am": {
      "cleaners":"english_cleaners",

      "num_mels":80,
      "sample_rate":16000,
      "frame_shift_ms":12.5,

      
      "embedding_dim":512,
      "encoder_n_conv_layers":3,
      "encoder_filters":256,
      "encoder_kernel_size":5,

      "encoder_num_layers":8,
      "encoder_num_units":128,
      "encoder_num_heads":8,
      "encoder_ffn_inner_dim":1024,
      "encoder_dropout":0.1,
      "encoder_attention_dropout":0.1,
      "encoder_relu_dropout":0.1,
      "encoder_projection_units":32,

      "predictor_filter_size":41,
      "predictor_fsmn_num_layers":3,
      "predictor_dnn_num_layers":0,
      "predictor_num_memory_units":128,
      "predictor_ffn_inner_dim":256,
      "predictor_dropout":0.1,
      "predictor_shift":0,

      "predictor_prenet_units":[128, 128],
      "predictor_lstm_units":128,

      "prenet_units":[256, 256],
      "prenet_proj_units":128,

      "decoder_num_layers":12,
      "decoder_num_units":128,
      "decoder_num_heads":8,
      "decoder_ffn_inner_dim":1024,
      "decoder_dropout":0.1,
      "decoder_attention_dropout":0.1,
      "decoder_relu_dropout":0.1,

      "outputs_per_step":3,

      "postnet_filter_size":41,
      "postnet_fsmn_num_layers":4,
      "postnet_dnn_num_layers":0,
      "postnet_num_memory_units":256,
      "postnet_ffn_inner_dim":512,
      "postnet_dropout":0.1,
      "postnet_shift":17,
      "postnet_lstm_units":128, 

      
      "dur_scale":1.0,

      "batch_size":32,
      "adam_beta1":0.9,
      "adam_beta2":0.999,
      "initial_learning_rate":0.002,
      "decay_learning_rate":true,
      "use_cmudict":false,                 

      "lfeat_type_list":"sy,tone,syllable_flag,word_segment,emo_category,speaker",

      "guided_attention":false,
      "guided_attention_2g_squared":0.08,
      "guided_attention_loss_weight":1.0,

      "free_run":false,

      "X_band_width":40,
      "H_band_width":40,

      "max_len":900
    },
    "vocoder" : {
      "resblock": "1",
      "num_gpus": 1,
      "batch_size": 16,
      "learning_rate": 0.0002,
      "adam_b1": 0.8,
      "adam_b2": 0.99,
      "lr_decay": 0.999,
      "seed": 1234,

      "upsample_rates": [10,5,2,2],
      "upsample_kernel_sizes": [20,11,4,4],
      "upsample_initial_channel": 256,
      "resblock_kernel_sizes": [3,7,11],
      "resblock_dilation_sizes": [[1,3,5,7], [1,3,5,7], [1,3,5,7]],

      "segment_size": 6400,
      "num_mels": 80,
      "num_freq": 1025,
      "n_fft": 2048,
      "hop_size": 200,
      "win_size": 1000,

      "sampling_rate": 16000,

      "fmin": 0,
      "fmax": 8000,
      "fmax_for_loss": null,

      "num_workers": 4,

      "dist_config": {
          "dist_backend": "nccl",
          "dist_url": "tcp://localhost:54312",
          "world_size": 1
      }
    }
  },
  "pipeline": {
     "type": "sambert-hifigan-tts"
  }
}