web-harmonium.rajmayank-mrb.chatgpt.site

{
  "type": "object",
  "properties": {
    "sa": {
      "type": "string",
      "enum": [
        "C",
        "C#",
        "D",
        "D#",
        "E",
        "F",
        "F#",
        "G",
        "G#",
        "A",
        "A#",
        "B"
      ],
      "description": "Movable tonic for labels, e.g. 'C'. Updates the page's Sa; pitches never retune."
    },
    "events": {
      "type": "array",
      "minItems": 1,
      "maxItems": 1024,
      "items": {
        "type": "object",
        "properties": {
          "t": {
            "type": "number",
            "minimum": 0,
            "maximum": 1800,
            "description": "Start time in seconds from playback start"
          },
          "key": {
            "type": "integer",
            "minimum": 0,
            "maximum": 38,
            "description": "Key index 0-38 (source of truth for pitch)"
          },
          "note": {
            "type": "string",
            "maxLength": 80,
            "description": "Advisory Sargam label; pitch always comes from key"
          },
          "dur": {
            "type": "number",
            "exclusiveMinimum": 0,
            "maximum": 30,
            "description": "Duration in seconds"
          }
        },
        "required": [
          "t",
          "key",
          "dur"
        ]
      }
    }
  },
  "required": [
    "events"
  ]
}