lib/infer/infer_libs/inference-presets.json

{
  "presets": [
    {
      "name": "Default Preset",
      "model": "",
      "transpose": 0,
      "audio_file": "",
      "f0_method": "pm",
      "crepe_hop_length": 160,
      "median_filtering": 3,
      "feature_path": "",
      "auto_feature_path": "",
      "search_feature_ratio": 0.88,
      "resample": 0,
      "volume_envelope": 1,
      "protect_voiceless": 0.33,
      "f0_file_path": ""
    }
  ]
}