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{
  "model_type": "diffusion_cond",
  "sample_size": 2097152,
  "sample_rate": 44100,
  "audio_channels": 2,
  "model": {
    "pretransform": {
      "type": "autoencoder",
      "iterate_batch": true,
      "config": {
        "encoder": {
          "type": "oobleck",
          "requires_grad": false,
          "config": {
            "in_channels": 2,
            "channels": 128,
            "c_mults": [1, 2, 4, 8, 16],
            "strides": [2, 4, 4, 8, 8],
            "latent_dim": 128,
            "use_snake": true
          }
        },
        "decoder": {
          "type": "oobleck",
          "config": {
            "out_channels": 2,
            "channels": 128,
            "c_mults": [1, 2, 4, 8, 16],
            "strides": [2, 4, 4, 8, 8],
            "latent_dim": 64,
            "use_snake": true,
            "final_tanh": false
          }
        },
        "bottleneck": {
          "type": "vae"
        },
        "latent_dim": 64,
        "downsampling_ratio": 2048,
        "io_channels": 2
      }
    },
    "conditioning": {
      "configs": [
        {
          "id": "prompt",
          "type": "t5",
          "config": {
            "t5_model_name": "t5-base",
            "max_length": 128
          }
        },
        {
          "id": "seconds_start",
          "type": "number",
          "config": {
            "min_val": 0,
            "max_val": 512
          }
        },
        {
          "id": "seconds_total",
          "type": "number",
          "config": {
            "min_val": 0,
            "max_val": 512
          }
        }
      ],
      "cond_dim": 768
    },
    "diffusion": {
      "cross_attention_cond_ids": ["prompt", "seconds_start", "seconds_total"],
      "global_cond_ids": ["seconds_start", "seconds_total"],
      "type": "dit",
      "config": {
        "io_channels": 64,
        "embed_dim": 1536,
        "depth": 24,
        "num_heads": 24,
        "cond_token_dim": 768,
        "global_cond_dim": 1536,
        "project_cond_tokens": false,
        "transformer_type": "continuous_transformer"
      }
    },
    "io_channels": 64
  },
  "training": {
    "use_ema": true,
    "log_loss_info": false,
    "optimizer_configs": {
      "diffusion": {
        "optimizer": {
          "type": "AdamW",
          "config": {
            "lr": 5e-5,
            "betas": [0.9, 0.999],
            "weight_decay": 1e-3
          }
        },
        "scheduler": {
          "type": "InverseLR",
          "config": {
            "inv_gamma": 1000000,
            "power": 0.5,
            "warmup": 0.99
          }
        }
      }
    },
    "demo": {
      "demo_every": 1000,
      "demo_steps": 250,
      "num_demos": 3,
      "demo_cond": [
        {
          "prompt": "An audio that blends elements of pop and country music, featuring an electric bass and a banjo.",
          "seconds_start": 0,
          "seconds_total": 30
        },
        {
          "prompt": "An intense audio with no consistent structure, featuring glitchy electronic sounds, synthesizers, and distorted instruments.",
          "seconds_start": 0,
          "seconds_total": 30
        },
        {
          "prompt": "An audio with a fast-paced beginning and end, and a slow middle, featuring electronic instruments and a prominent keyboard, with a jazz and funk style influence.",
          "seconds_start": 0,
          "seconds_total": 30
        }
      ],
      "demo_cfg_scales": [4, 8]
    }
  }
}