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  "formatName": "MJ2 (Motion JPEG 2000)",
  "version": null,
  "formatDescription": "Motion JPEG 2000 (MJ2) is a video file format known for its mathematically lossless compression, making it suitable for long-term video preservation. Standardized in 2002 as part of ISO/IEC\u2019s JPEG 2000 (JP2) standard, MJ2 encodes timed sequences of images, with options for including audio. Unlike formats with temporal or inter-frame compression (e.g., MPEG-4), MJ2 compresses each video frame independently, enabling reversible, lossless quality. This feature makes it ideal for high-quality preservation, particularly for digitized film and analog videotape.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": "https://www.loc.gov/preservation/digital/formats/fdd/fdd000127.shtml; https://www.iso.org/standard/41570.html; https://lhncbc.nlm.nih.gov/LHC-publications/PDF/pub9302.pdf",
  "lastUpdatedDate": "03 Jan 2025",
  "formatProvenance": "v.120- New description, library of congress fdd identifier and notes added as part of PRONOM Research Week 2024. Submitted by the J. Paul Getty Trust.",
  "formatSourceDate": "18 May 2011",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Video",
  "formatFamilies": "JPEG 2000",
  "identifiers": [
    {
      "identifierText": "fdd000127",
      "identifierType": "Library of Congress Format Description Identifier"
    },
    {
      "identifierText": "fmt/337",
      "identifierType": "PUID"
    },
    {
      "identifierText": "video/mj2",
      "identifierType": "MIME"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 719,
      "name": "Motion JPEG 2000",
      "note": "BOF: ....jP  ..\u2021.{4}ftypmjp2",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": null,
          "byteSequence": "0000000C6A5020200D0A870A{4}667479706D6A7032",
          "endianness": null,
          "byteSequenceID": 905
        }
      ],
      "provenance": "jpeg 2000 (purchased) and Jpeg 2000 ISO 15444-3 - http://www.jpeg.org/public/fcd15444-3.pdf"
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "mj2",
      "signatureType": "File extension"
    },
    {
      "externalSignature": "mjp2",
      "signatureType": "File extension"
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  ],
  "relationships": [],
  "submittedBy": [
    1
  ]
}