{
  "title": "两个展区同播时听不清，怎样在观众位置做串音对照",
  "evidence_type": "synthetic-not-field-measurement",
  "date": "2026-10-23",
  "required_deliverable": "单区、双区播放条件下观众位录音及观察记录",
  "fields": [
    "position",
    "ear_height_mm",
    "target_zone",
    "condition",
    "clip_id",
    "recording_file",
    "words_correct",
    "total_words",
    "status"
  ],
  "sample_rows": [
    [
      "P1",
      1200,
      "A",
      "A-only",
      "CLIP-01",
      "not-recorded",
      3,
      3,
      "synthetic"
    ],
    [
      "P1",
      1200,
      "A",
      "A+B",
      "CLIP-01",
      "not-recorded",
      1,
      3,
      "synthetic"
    ],
    [
      "P2",
      1200,
      "A",
      "A+B",
      "CLIP-01",
      "",
      "",
      "",
      "not-tested"
    ]
  ],
  "unmeasured": "没有真实录音或观众测试，识别数字为合成演示；实际位置、增益和参与条件必须现场补齐。"
}