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SemanticVocoder

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SemanticVocoder
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{
  "model_type": "semantic_vocoder",
  "auto_map": {
    "AutoConfig": "model.SemanticVocoderConfig",
    "AutoModel": "model.SemanticVocoder"
  },
  "model_config": {
    "autoencoder": {
      "_target_": "models.autoencoder.waveform.semanticVocoder.semanticVocoder.SemanticVocoder",
      "encoder_name": "none",
      "n_timesteps": 200,
      "sample_rate": 24000,
      "clamp_pred": true,
      "downsampling_ratio": 960,
      "encoder_sampling_rate": 16000,
      "vocoder": {
        "_target_": "models.autoencoder.waveform.semanticVocoder.flow2gan.models.generator.MaeAudioGenerator",
        "latent_dim": 768,
        "hop_length": 960,
        "n_ffts": [
          512,
          256,
          128
        ],
        "hop_lengths": [
          320,
          160,
          80
        ],
        "channels": [
          768,
          512,
          384
        ],
        "time_embed_channels": 512,
        "hidden_factor": 3,
        "conv_kernel_sizes": [
          7,
          7,
          7
        ],
        "num_layers": [
          8,
          8,
          8
        ],
        "use_cond_encoder": true,
        "cond_enc_channels": 512,
        "cond_enc_hidden_factor": 3,
        "cond_enc_conv_kernel_size": 7,
        "cond_enc_num_layers": 4,
        "residual_scale": 1.0,
        "init_noise_scale": 0.1,
        "pred_x1": true,
        "branch_reduction": "mean",
        "spec_scaling_loss": true,
        "loss_n_filters": 256,
        "loss_n_fft": 1024,
        "loss_hop_length": 256,
        "loss_power": 0.5,
        "loss_eps": 1e-07,
        "loss_scale_min": 0.01,
        "loss_scale_max": 100.0,
        "branch_dropout": 0.05,
        "max_add_noise_scale": 0.0
      }
    },
    "backbone": {
      "_target_": "models.dit.mask_dit.UDiT",
      "img_size": 250,
      "patch_size": 1,
      "in_chans": 768,
      "out_chans": 768,
      "input_type": "1d",
      "embed_dim": 1024,
      "depth": 24,
      "num_heads": 16,
      "mlp_ratio": 4.0,
      "qkv_bias": false,
      "qk_scale": null,
      "qk_norm": "layernorm",
      "norm_layer": "layernorm",
      "act_layer": "geglu",
      "context_norm": true,
      "use_checkpoint": true,
      "time_fusion": "ada_sola_bias",
      "ada_sola_rank": 32,
      "ada_sola_alpha": 32,
      "cls_dim": null,
      "context_dim": 1024,
      "context_fusion": "cross",
      "context_max_length": null,
      "context_pe_method": "none",
      "pe_method": "none",
      "rope_mode": "shared",
      "use_conv": true,
      "skip": true,
      "skip_norm": true
    },
    "cfg_drop_ratio": 0.2,
    "sample_strategy": "uniform",
    "_target_": "models.flow_matching.SingleTaskCrossAttentionAudioFlowMatching",
    "content_encoder": {
      "_target_": "models.content_encoder.content_encoder.ContentEncoder",
      "embed_dim": 1024,
      "text_encoder": {
        "_target_": "models.content_encoder.text_encoder.T5TextEncoder",
        "model_name": "google/flan-t5-large",
        "embed_dim": 1024
      }
    }
  }
}