{
  "id": "C07-N09",
  "title": "白天和夜间投影效果差很多，怎样记录现场环境光条件",
  "schema_version": "1.0",
  "evidence_kind": "合成输入与协议；非现场测试结果",
  "tool_versions": {
    "generator": "Python 3.12.4",
    "ffmpeg": "8.0.1（仅实际媒体生成与解码）"
  },
  "required_delivery": "注明仪表、测点、灯光状态和时间的环境光采样表",
  "input": {
    "synthetic_scenes": [
      {
        "id": "day-open",
        "lux": 120
      },
      {
        "id": "day-closed",
        "lux": 30
      },
      {
        "id": "night-light",
        "lux": 20
      }
    ],
    "points": [
      "screen-left",
      "screen-center",
      "screen-right",
      "viewer"
    ]
  },
  "expected": {
    "point_count": 4,
    "instrument_measurement": null
  },
  "measurement": null,
  "unmeasured": [
    "实体播放硬件",
    "显示刷新相位",
    "现场拍摄",
    "实际Windows目标机配置"
  ],
  "record_fields": [
    "point",
    "measurement_plane",
    "sensor_direction",
    "meter_model",
    "calibration_state",
    "timestamp",
    "curtain",
    "lights",
    "weather",
    "projector_on",
    "lux",
    "viewer_observation"
  ]
}