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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": 2000,
"demo_steps": 250,
"num_demos": 4,
"demo_cond": [
{"prompt": "Amen break 174 BPM", "seconds_start": 0, "seconds_total": 12},
{"prompt": "A beautiful orchestral symphony, classical music", "seconds_start": 0, "seconds_total": 160},
{"prompt": "Chill hip-hop beat, chillhop", "seconds_start": 0, "seconds_total": 190},
{"prompt": "A pop song about love and loss", "seconds_start": 0, "seconds_total": 180}
],
"demo_cfg_scales": [3, 6, 9]
}
}
} |