{
  "name": "vocoder_finetune",
  "description": "Single run with fine-tuned BJ BigVGAN vocoder injected. Validates vocoder integration with LoRA training. Best known config: lr=3e-4, rank=128.",
  "data_dir": "/media/unraid/davinci/Selva/BJ/features",
  "output_root": "/media/unraid/davinci/Selva/BJ/experiment/vocoder_finetune",
  "base": {
    "steps": 10000,
    "rank": 128,
    "alpha": 0.0,
    "lr": 3e-4,
    "batch_size": 16,
    "warmup_steps": 200,
    "grad_accum": 1,
    "save_every": 2000,
    "seed": 42,
    "target": "attn.qkv",
    "timestep_mode": "uniform",
    "logit_normal_sigma": 1.0,
    "curriculum_switch": 0.6,
    "lora_dropout": 0.0,
    "lora_plus_ratio": 1.0,
    "lr_schedule": "constant"
  },
  "experiments": [
    {
      "id": "r128_lr_3e4_bj_vocoder",
      "description": "lr=3e-4 rank=128 with fine-tuned BJ BigVGAN vocoder. Direct comparison baseline against previous best g1_r128_lr_3e4."
    }
  ]
}