{
  "format": "jurassic-park-tfx-preview-audio-1",
  "source_cue": "jurassic_park/JP CD-ROM.cue",
  "source_bin": "jurassic_park/JP CD-ROM (Track 12).bin",
  "source_bin_sha256": "81d2cbf19448dae4d8e0fcb1cece53d205790c6608fcd57022d206c687377356",
  "track": 12,
  "source_index": 1,
  "start_sector_within_bin": 149,
  "end_sector_within_bin_exclusive": 21457,
  "excluded_index00_pregap_sectors": 149,
  "excluded_index00_pregap_all_zero": true,
  "sample_rate": 44100,
  "channels": 2,
  "bits_per_sample": 16,
  "sample_frames": 12529104,
  "duration_seconds": 284.1066666666667,
  "pcm_bytes": 50116416,
  "pcm_sha256": "4e742b2776b37e2375eb72241d05771c94fcd504553059daaad933921c74dd23",
  "flac_compression_level": 8,
  "encoder_verify_enabled": true,
  "independent_decode_byte_identical": true,
  "audio_processing": "None; original 44100 Hz stereo signed 16-bit PCM from INDEX 01, with no gain, resampling, fades or trimming beyond the CUE track boundary.",
  "search_method": {
    "reference_versions": [
      "cd_1993_12",
      "cd_1994_03",
      "cd_1994_09"
    ],
    "reference_audio_tracks_per_version": 14,
    "probe_jp_seconds": [
      10,
      60,
      150
    ],
    "probe_bytes": 32768,
    "method": "Search each full stereo PCM stream for three exact non-silent byte sequences; for matching candidates, compare every sample in the aligned overlap. Negative offset means the reference frame is earlier than the same JP frame. Failure to find exact probes does not prove a different composition or mix."
  },
  "reference_tracks": [
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      "cue": "install media/cd_1993_12/tfx.cue",
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      "sample_frames": 12940704,
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    },
    {
      "cue": "install media/cd_1993_12/tfx.cue",
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      "exact_probe_matches": []
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    {
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      "exact_probe_matches": []
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    {
      "cue": "install media/cd_1993_12/tfx.cue",
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      "duration_seconds": 267.18666666666667,
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      "exact_probe_matches": []
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    {
      "cue": "install media/cd_1993_12/tfx.cue",
      "track": 6,
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      "exact_probe_matches": [
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          "reference_minus_jp_frames": -655
        },
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          "jp_seconds": 60.0,
          "reference_minus_jp_frames": -655
        },
        {
          "jp_seconds": 150.0,
          "reference_minus_jp_frames": -655
        }
      ]
    },
    {
      "cue": "install media/cd_1993_12/tfx.cue",
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      "duration_seconds": 288.76,
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      "exact_probe_matches": []
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    {
      "cue": "install media/cd_1993_12/tfx.cue",
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      "pcm_sha256": "38cbab2af02dc73a7dff76e220dc0dad24637bda281a982e9e10970f4dae8e4e",
      "exact_probe_matches": []
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      "cue": "install media/cd_1993_12/tfx.cue",
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    {
      "cue": "install media/cd_1993_12/tfx.cue",
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      "exact_probe_matches": []
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    {
      "cue": "install media/cd_1993_12/tfx.cue",
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      "cue": "install media/cd_1993_12/tfx.cue",
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      "cue": "install media/cd_1993_12/tfx.cue",
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      "cue": "install media/cd_1993_12/tfx.cue",
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    {
      "cue": "install media/cd_1993_12/tfx.cue",
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    {
      "cue": "install media/cd_1994_03/tfx.cue",
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    {
      "cue": "install media/cd_1994_03/tfx.cue",
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      "cue": "install media/cd_1994_03/tfx.cue",
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      "cue": "install media/cd_1994_03/tfx.cue",
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      "cue": "install media/cd_1994_03/tfx.cue",
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      "cue": "install media/cd_1994_09/tfx.cue",
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    {
      "cue": "install media/cd_1994_09/tfx.cue",
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    {
      "cue": "install media/cd_1994_09/tfx.cue",
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      "exact_probe_matches": []
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    {
      "cue": "install media/cd_1994_09/tfx.cue",
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      "exact_probe_matches": []
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    {
      "cue": "install media/cd_1994_09/tfx.cue",
      "track": 6,
      "sample_frames": 12616716,
      "duration_seconds": 286.0933333333333,
      "pcm_sha256": "9392c6978281e63c2fc6453c9433554eda1be27098271d798ffff29f92daf2cb",
      "exact_probe_matches": [
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          "jp_seconds": 10.0,
          "reference_minus_jp_frames": -774
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        {
          "jp_seconds": 60.0,
          "reference_minus_jp_frames": -774
        },
        {
          "jp_seconds": 150.0,
          "reference_minus_jp_frames": -774
        }
      ]
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
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      "duration_seconds": 288.76,
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      "exact_probe_matches": []
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
      "track": 8,
      "sample_frames": 13501068,
      "duration_seconds": 306.14666666666665,
      "pcm_sha256": "80c8bb0fb41994ab58e55f46e3b1494c73a274b86c7196b5135f5f1a1538545e",
      "exact_probe_matches": []
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
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      "sample_frames": 12456192,
      "duration_seconds": 282.4533333333333,
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      "exact_probe_matches": []
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
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      "duration_seconds": 101.22666666666667,
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      "exact_probe_matches": []
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
      "track": 11,
      "sample_frames": 4464096,
      "duration_seconds": 101.22666666666667,
      "pcm_sha256": "f908c7840f25b93aa707986a4a8a0f2adcee19b183da5f80a70a18ad5d1656f7",
      "exact_probe_matches": []
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
      "track": 12,
      "sample_frames": 10549308,
      "duration_seconds": 239.21333333333334,
      "pcm_sha256": "525fb0c8eeea39c6e7061bf0b70a7d94c3b83af9c180f3acf62afcf011d6d8f6",
      "exact_probe_matches": []
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
      "track": 13,
      "sample_frames": 2930592,
      "duration_seconds": 66.45333333333333,
      "pcm_sha256": "a2331fbdd520714e3db66d7617b3ec658f860a8ffa3cc7b9c045f3539323be7d",
      "exact_probe_matches": []
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
      "track": 14,
      "sample_frames": 12409740,
      "duration_seconds": 281.4,
      "pcm_sha256": "5498f940fab8dc3d7c4bcaf020324537577b4876a350870a109e1b3dff8869c9",
      "exact_probe_matches": []
    },
    {
      "cue": "install media/cd_1994_09/tfx.cue",
      "track": 15,
      "sample_frames": 2930592,
      "duration_seconds": 66.45333333333333,
      "pcm_sha256": "5961bacbc4b058e570695412d7a6e21e213713c2092403e008e2145b7bd661ab",
      "exact_probe_matches": []
    }
  ],
  "full_comparisons": [
    {
      "version": "cd_1993_12",
      "track": 6,
      "reference_minus_jp_frames": -655,
      "reference_minus_jp_seconds": -0.014852607709750568,
      "jp_start_frame": 655,
      "reference_start_frame": 0,
      "compared_frames": 12528449,
      "compared_seconds": 284.0918140589569,
      "exact_individual_samples_percent": 99.9980604143418,
      "different_stereo_frames": 348,
      "max_sample_difference": 3,
      "first_difference_jp_seconds": 284.0492970521542,
      "last_difference_jp_seconds": 284.06174603174605,
      "interior_exact_samples_percent_excluding_one_second_at_each_overlap_edge": 100.0,
      "jp_unmatched_prefix": {
        "frames": 655,
        "seconds": 0.014852607709750568,
        "nonzero_frames": 455,
        "peak_absolute_sample": 252
      },
      "reference_unmatched_suffix": {
        "frames": 88267,
        "seconds": 2.001519274376417,
        "nonzero_frames": 459,
        "peak_absolute_sample": 83
      }
    },
    {
      "version": "cd_1994_09",
      "track": 6,
      "reference_minus_jp_frames": -774,
      "reference_minus_jp_seconds": -0.017551020408163264,
      "jp_start_frame": 774,
      "reference_start_frame": 0,
      "compared_frames": 12528330,
      "compared_seconds": 284.0891156462585,
      "exact_individual_samples_percent": 100.0,
      "different_stereo_frames": 0,
      "max_sample_difference": 0,
      "first_difference_jp_seconds": null,
      "last_difference_jp_seconds": null,
      "interior_exact_samples_percent_excluding_one_second_at_each_overlap_edge": 100.0,
      "jp_unmatched_prefix": {
        "frames": 774,
        "seconds": 0.017551020408163264,
        "nonzero_frames": 574,
        "peak_absolute_sample": 252
      },
      "reference_unmatched_suffix": {
        "frames": 88386,
        "seconds": 2.00421768707483,
        "nonzero_frames": 574,
        "peak_absolute_sample": 86
      }
    }
  ],
  "conclusion": "Existing TFX CD track 6, not a new composition. Every overlapping PCM sample exactly matches the September 1994 copy after alignment; the December copy matches throughout the musical interior with only very small final-boundary differences. CD track cuts differ by about two seconds of mostly trailing silence. March uses the separately documented different transfer/master and has no exact probe matches.",
  "source_paths_historical": true,
  "source_media_retained": false,
  "removed_redundant_flac": {
    "path_at_creation": "jurassic_park/extracted/audio/track-12-tfx-preview.flac",
    "bytes": 29062069,
    "sha256": "75f7a4c4e003f1274adff3bbfcf605c9a91c1149ae4a38521eb2616f67dd622f",
    "removed_on": "2026-10-15",
    "reason": "User requested consolidation of effectively identical audio."
  },
  "retained_audio": {
    "file": "extracted/cd_1993_12/audio/track-06.flac",
    "version": "cd_1993_12",
    "track": 6
  }
}
