{
  "title": "真人语音校准与岗位盲测采集Brief",
  "status": "待项目方冻结，未采集",
  "purpose": "补足合成语音不能覆盖的自然发音与现场条件",
  "human_recording_required": true,
  "languages": null,
  "speaker_count": null,
  "duration_per_bucket": null,
  "source_authorization": {
    "consent_evidence": null,
    "allowed_use": null,
    "storage_access": null,
    "retention": null
  },
  "coverage_to_confirm": [
    "清晰朗读",
    "自然停顿与修正",
    "数字与专名",
    "真实环境噪声",
    "多人重叠",
    "混合语言",
    "不可辨识区间",
    "截断与切片边界"
  ],
  "recording_spec": {
    "format": null,
    "sample_rate_hz": null,
    "channels": null,
    "device": null,
    "scene": null
  },
  "annotation": {
    "guide_version": null,
    "normalization": null,
    "unintelligible_rule": null,
    "timestamp_rule": null
  },
  "reference_production": {
    "independent_reviewers": 2,
    "language_expert": null,
    "dispute_log": true,
    "unresolved_action": "隔离或升级，不猜写"
  },
  "split": {
    "train_test_separation": "按说话人/来源隔离，由项目确认",
    "blind_set_owner": null
  },
  "acceptance": {
    "formula": null,
    "threshold": null,
    "sampling_plan": null,
    "approver": null
  },
  "no_fabrication": "缺少参与者、授权或独立听审时不得标记已完成；TTS不可冒充真人采集。"
}