examples/sample_input.json

{
  "target_format": "iamf",
  "max_objects": 10,
  "style": "club",
  "section": "drop",
  "global": {
    "bpm": 128,
    "energy": 0.92
  },
  "stems": [
    {
      "id": "v1",
      "class": "lead_vocal",
      "lufs": -16.8,
      "transient": 0.25,
      "band_energy": {
        "low": 0.1,
        "mid": 0.6,
        "high": 0.3
      },
      "leadness": 0.95
    },
    {
      "id": "k1",
      "class": "kick",
      "lufs": -10.5,
      "transient": 0.95,
      "band_energy": {
        "low": 0.8,
        "mid": 0.15,
        "high": 0.05
      },
      "leadness": 0.25
    },
    {
      "id": "b1",
      "class": "bass",
      "lufs": -12.2,
      "transient": 0.55,
      "band_energy": {
        "low": 0.85,
        "mid": 0.12,
        "high": 0.03
      },
      "leadness": 0.35
    },
    {
      "id": "p1",
      "class": "pad",
      "lufs": -20.3,
      "transient": 0.1,
      "band_energy": {
        "low": 0.2,
        "mid": 0.5,
        "high": 0.3
      },
      "leadness": 0.1
    },
    {
      "id": "s1",
      "class": "synth_lead",
      "lufs": -18.0,
      "transient": 0.4,
      "band_energy": {
        "low": 0.1,
        "mid": 0.55,
        "high": 0.35
      },
      "leadness": 0.75
    },
    {
      "id": "fx1",
      "class": "fx",
      "lufs": -23.0,
      "transient": 0.2,
      "band_energy": {
        "low": 0.1,
        "mid": 0.3,
        "high": 0.6
      },
      "leadness": 0.05
    }
  ],
  "rules": [
    {
      "type": "anchor",
      "track_class": "lead_vocal",
      "az_deg": 0,
      "el_deg": 10,
      "dist_m": 1.6
    },
    {
      "type": "mono_low_end",
      "hz_below": 120
    },
    {
      "type": "width_pref",
      "track_class": "pad",
      "min_width": 0.75
    },
    {
      "type": "avoid_band_masking",
      "mask_target": "lead_vocal",
      "band_hz": [
        1500,
        4500
      ]
    }
  ]
}