{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "speech-recognition-result.json",
  "title": "Speech Recognition Result",
  "description": "A result from the IBM Speech to Text service.",
  "type": "object",
  "properties": {
    "results": {
      "type": "array",
      "description": "Recognition results.",
      "items": {
        "type": "object",
        "properties": {
          "final": {
            "type": "boolean",
            "description": "Whether the result is final."
          },
          "alternatives": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "transcript": {
                  "type": "string",
                  "description": "The transcribed text."
                },
                "confidence": {
                  "type": "number",
                  "description": "The confidence score.",
                  "minimum": 0,
                  "maximum": 1
                }
              },
              "required": ["transcript"]
            }
          }
        }
      }
    },
    "result_index": {
      "type": "integer",
      "description": "The index of the first result."
    },
    "speaker_labels": {
      "type": "array",
      "description": "Speaker labels for diarization.",
      "items": {
        "type": "object",
        "properties": {
          "from": { "type": "number" },
          "to": { "type": "number" },
          "speaker": { "type": "integer" },
          "confidence": { "type": "number" }
        }
      }
    }
  }
}