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stable_audio_1_0_vae.json
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stable_audio_1_0_vae.json
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{
"model_type": "autoencoder",
"sample_size": 65536,
"sample_rate": 44100,
"audio_channels": 2,
"model": {
"encoder": {
"type": "dac",
"config": {
"in_channels": 2,
"latent_dim": 128,
"d_model": 128,
"strides": [4, 4, 8, 8]
}
},
"decoder": {
"type": "dac",
"config": {
"out_channels": 2,
"latent_dim": 64,
"channels": 1536,
"rates": [8, 8, 4, 4]
}
},
"bottleneck": {
"type": "vae"
},
"latent_dim": 64,
"downsampling_ratio": 1024,
"io_channels": 2
},
"training": {
"learning_rate": 1e-4,
"warmup_steps": 0,
"use_ema": true,
"optimizer_configs": {
"autoencoder": {
"optimizer": {
"type": "AdamW",
"config": {
"betas": [0.8, 0.99],
"lr": 1e-4
}
},
"scheduler": {
"type": "ExponentialLR",
"config": {
"gamma": 0.999996
}
}
},
"discriminator": {
"optimizer": {
"type": "AdamW",
"config": {
"betas": [0.8, 0.99],
"lr": 1e-4
}
},
"scheduler": {
"type": "ExponentialLR",
"config": {
"gamma": 0.999996
}
}
}
},
"loss_configs": {
"discriminator": {
"type": "encodec",
"config": {
"filters": 32,
"n_ffts": [2048, 1024, 512, 256, 128],
"hop_lengths": [512, 256, 128, 64, 32],
"win_lengths": [2048, 1024, 512, 256, 128]
},
"weights": {
"adversarial": 0.1,
"feature_matching": 5.0
}
},
"spectral": {
"type": "mrstft",
"config": {
"fft_sizes": [2048, 1024, 512, 256, 128, 64, 32],
"hop_sizes": [512, 256, 128, 64, 32, 16, 8],
"win_lengths": [2048, 1024, 512, 256, 128, 64, 32],
"perceptual_weighting": true
},
"weights": {
"mrstft": 1.0
}
},
"time": {
"type": "l1",
"weights": {
"l1": 0.0
}
},
"bottleneck": {
"type": "kl",
"weights": {
"kl": 1e-6
}
}
},
"demo": {
"demo_every": 2000
}
}
}