{
  "music": {
    "title": "Blown Away",
    "artist": "Kevin MacLeod (incompetech.com)",
    "source": "https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1200100",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "changes": "Excerpted, level adjusted, synchronized to new footage. Reentry opening uses an authored volume envelope."
  },
  "footage": [
    {
      "id": "race-31985089",
      "source": "https://www.pexels.com/video/exciting-race-cars-on-professional-track-31985089/",
      "license": "https://www.pexels.com/license/",
      "credit": "Vanessa V."
    },
    {
      "id": "race-10825392",
      "source": "https://www.pexels.com/video/a-racing-car-drifting-on-a-track-10825392/",
      "license": "https://www.pexels.com/license/",
      "credit": "WeStarMoney Rec"
    },
    {
      "id": "race-10825298",
      "source": "https://www.pexels.com/video/cars-competing-on-a-racing-track-10825298/",
      "license": "https://www.pexels.com/license/",
      "credit": "WeStarMoney Rec"
    },
    {
      "id": "race-5991156",
      "source": "https://www.pexels.com/video/a-race-car-in-motion-5991156/",
      "license": "https://www.pexels.com/license/",
      "credit": "Тасев Теодор"
    },
    {
      "id": "race-30391335",
      "source": "https://www.pexels.com/video/dynamic-car-close-up-on-industrial-track-30391335/",
      "license": "https://www.pexels.com/license/",
      "credit": "Gaurav Kumar"
    },
    {
      "id": "race-5673623",
      "source": "https://www.pexels.com/video/sports-car-on-the-desert-5673623/",
      "license": "https://www.pexels.com/license/",
      "credit": "WeStarMoney Rec"
    },
    {
      "id": "race-36223788",
      "source": "https://www.pexels.com/video/sports-car-driving-on-curvy-mountain-road-36223788/",
      "license": "https://www.pexels.com/license/",
      "credit": "Pexels contributor; credit pending"
    },
    {
      "id": "race-18437016",
      "source": "https://www.pexels.com/video/race-day-vlog-18437016/",
      "license": "https://www.pexels.com/license/",
      "credit": "Jaxon Matthew Willis"
    },
    {
      "id": "race-3774642",
      "source": "https://www.pexels.com/video/racing-cars-running-on-a-race-track-3774642/",
      "license": "https://www.pexels.com/license/",
      "credit": "Taryn Elliott"
    },
    {
      "id": "race-9737833",
      "source": "https://www.pexels.com/video/drone-shot-of-race-cars-racing-on-track-9737833/",
      "license": "https://www.pexels.com/license/",
      "credit": "8 K"
    },
    {
      "id": "race-9330847",
      "source": "https://www.pexels.com/video/cars-drifting-on-a-race-track-9330847/",
      "license": "https://www.pexels.com/license/",
      "credit": "WeStarMoney Rec"
    },
    {
      "id": "race-10738994",
      "source": "https://www.pexels.com/video/a-drift-car-spinning-out-at-a-racetrack-10738994/",
      "license": "https://www.pexels.com/license/",
      "credit": "WeStarMoney Rec"
    },
    {
      "id": "race-16685623",
      "source": "https://www.pexels.com/video/a-man-is-driving-a-car-with-his-hand-on-the-steering-wheel-16685623/",
      "license": "https://www.pexels.com/license/",
      "credit": "Erik Mclean"
    }
  ],
  "review": [
    {
      "name": "fast",
      "frames": 847,
      "seconds": 28.233333333333334,
      "shots": 26,
      "mixed": "racing-fast-v2.mp4",
      "source_action": {
        "ok": true,
        "errors": [],
        "warnings": [],
        "rows": [
          {
            "scene": "shot-03",
            "layer": "footage",
            "source_seconds": 1.5,
            "output_frame": 73,
            "target_frame": 73,
            "error_frames": 0,
            "entity": "shift-example",
            "visual_review": "not inferred"
          }
        ],
        "review": "metadata/timing contract only"
      },
      "timing_mutants": [
        {
          "shift_frames": -4,
          "rejected": true
        },
        {
          "shift_frames": -2,
          "rejected": true
        },
        {
          "shift_frames": -1,
          "rejected": true
        },
        {
          "shift_frames": 1,
          "rejected": true
        },
        {
          "shift_frames": 2,
          "rejected": true
        },
        {
          "shift_frames": 4,
          "rejected": true
        }
      ],
      "encoded_loudness": {
        "input_i": "-16.12",
        "input_tp": "-4.46",
        "input_lra": "1.70",
        "input_thresh": "-26.12",
        "output_i": "-15.66",
        "output_tp": "-4.04",
        "output_lra": "1.30",
        "output_thresh": "-25.66",
        "normalization_type": "dynamic",
        "target_offset": "-0.34"
      },
      "music": {
        "title": "Blown Away",
        "source_in": 45.1944705882353,
        "sha256": "cfcc26a555a993fb671dd3b469f7045511d29f581c61f127be692fc935dda04b"
      },
      "listening": "pending",
      "variants": "Same fixed music; picture delayed0/2/4frames. SFX omitted in timing comparisons to avoid confounding the listening test. Mixed version retains designed engine/tire sounds."
    },
    {
      "name": "reentry",
      "frames": 804,
      "seconds": 26.8,
      "shots": 19,
      "mixed": "racing-reentry-v2.mp4",
      "source_action": {
        "ok": true,
        "errors": [],
        "warnings": [],
        "rows": [
          {
            "scene": "shot-04",
            "layer": "footage",
            "source_seconds": 1.5,
            "output_frame": 222,
            "target_frame": 222,
            "error_frames": 0,
            "entity": "shift-example",
            "visual_review": "not inferred"
          }
        ],
        "review": "metadata/timing contract only"
      },
      "timing_mutants": [
        {
          "shift_frames": -4,
          "rejected": true
        },
        {
          "shift_frames": -2,
          "rejected": true
        },
        {
          "shift_frames": -1,
          "rejected": true
        },
        {
          "shift_frames": 1,
          "rejected": true
        },
        {
          "shift_frames": 2,
          "rejected": true
        },
        {
          "shift_frames": 4,
          "rejected": true
        }
      ],
      "encoded_loudness": {
        "input_i": "-16.10",
        "input_tp": "-3.33",
        "input_lra": "4.60",
        "input_thresh": "-26.10",
        "output_i": "-14.58",
        "output_tp": "-1.73",
        "output_lra": "2.80",
        "output_thresh": "-24.58",
        "normalization_type": "dynamic",
        "target_offset": "-1.42"
      },
      "music": {
        "title": "Blown Away",
        "source_in": 124.279002,
        "sha256": "cfcc26a555a993fb671dd3b469f7045511d29f581c61f127be692fc935dda04b"
      },
      "listening": "pending",
      "variants": "Same fixed music; picture delayed0/2/4frames. SFX omitted in timing comparisons to avoid confounding the listening test. Mixed version retains designed engine/tire sounds."
    }
  ],
  "note": "ACH / RACING LAB is a fictional editing study. Different cars and drivers are a montage, not one race record. Designed engine and tire effects. Human sync/listening review pending. Source footage is not redistributed."
}