{
  "A": {
    "parent_source": "batch69_73/media/203.mp4",
    "source_time": 2.5,
    "dimensions_pixels": [
      320,
      240
    ],
    "physical_dimensions": "unknown",
    "display_dimensions": [
      288,
      216
    ],
    "display_scale": 0.9
  },
  "B": {
    "parent": "A",
    "transform": "duplicate + new red crop rectangle",
    "crop_box": [
      64,
      128,
      256,
      240
    ],
    "crop_dimensions": [
      192,
      112
    ],
    "annotation_origin": "new edit, not original mark"
  },
  "C": {
    "parent": "A",
    "selection_from": "B crop box",
    "crop_box": [
      64,
      128,
      256,
      240
    ],
    "resample": "Pillow BOX to48x28, display NEAREST at288x168",
    "dimensions_pixels": [
      48,
      28
    ],
    "display_scale": 6
  },
  "rulers": {
    "A": {
      "pixels_in_ruler": 100,
      "screen_length": 90
    },
    "C": {
      "pixels_in_ruler": 10,
      "screen_length": 60
    }
  },
  "narration": [
    {
      "id": "A",
      "text": "The reel is real in the source record. This panel is a decoded copy. Its file is three hundred and twenty pixels wide. That does not tell us the width of the physical film.",
      "origin": "new libflite slt synthesis",
      "audition": "not performed"
    },
    {
      "id": "B",
      "text": "The red box is my selection, not an original production mark. It excludes the face. The physical gauge of the pictured film remains unresolved.",
      "origin": "new libflite slt synthesis",
      "audition": "not performed"
    },
    {
      "id": "C",
      "text": "This derivative follows that box. One hundred ninety two by one hundred twelve source pixels become forty eight by twenty eight. The blocks are a new sampling decision, not recovered grain.",
      "origin": "new libflite slt synthesis",
      "audition": "not performed"
    },
    {
      "id": "relation",
      "text": "One record becomes a selection, then a lower resolution file. They share a parent. They no longer carry the same detail.",
      "origin": "new libflite slt synthesis",
      "audition": "not performed"
    }
  ],
  "end": "images removed from digital table; pixel rulers and new red mark remain",
  "unperformed": "physical scan/print/display carriers, real hands, handling sound, known millimetre gauge, historical recollection"
}