{
  "title": "Audio and video equipment data for AI channel and level context",
  "source_page": "https://fiund.com/industries/audio-video-channel-reference-level-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Two identical readings use different channel references",
    "context": "An invented audiovisual bench log uses arbitrary level units. No actual equipment settings or mixing advice are given.",
    "records": [
      [
        "1",
        "Channel map",
        "Input 1 uses reference R0; input 2 uses R5."
      ],
      [
        "2",
        "Test log",
        "Both channels display +3 relative to their local reference."
      ],
      [
        "3",
        "Glossary",
        "R5 lies five units above R0; report absolute offsets relative to R0."
      ]
    ],
    "question": "What should the normalized levels be?",
    "answer": "Input 1 is +3 and input 2 is +8 relative to R0. Apply the five-unit reference offset in record 3 to input 2's local +3 in record 2. Preserve the separate raw values and references from record 1.",
    "failureModes": [
      "Treating equal displayed values as equal physical references",
      "Subtracting the offset in the wrong direction"
    ],
    "fields": [
      [
        "channel_key",
        "Associates the reading with its signal path"
      ],
      [
        "local_reference",
        "Defines the reading's zero"
      ],
      [
        "normalized_level",
        "Allows same-frame comparison"
      ]
    ],
    "holdout": "Use a channel swap mid-session and match the reference to each capture time.",
    "boundary": "No proprietary recordings, actual calibration targets, electrical levels or production mixing instructions."
  }
}