{
  "fileFormatID": 794,
  "formatName": "JPX (JPEG 2000 part 2)",
  "version": null,
  "formatDescription": "JPX is an image file format extended from JP2, providing the potential for extended colour space support, alternative compression methods, and other features. JPX may be used in applications that require additional functionality or data structures beyond those defined in the JP2 file format.",
  "releaseDate": null,
  "binaryFileFormat": "Text",
  "formatNote": null,
  "lastUpdatedDate": "02 Feb 2007",
  "formatProvenance": null,
  "formatSourceDate": "02 Feb 2007",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": "JPF",
  "formatTypes": "Image (Raster)",
  "formatFamilies": "JPEG 2000",
  "identifiers": [
    {
      "identifierText": "fmt/151",
      "identifierType": "PUID"
    },
    {
      "identifierText": "image/jpx",
      "identifierType": "MIME"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 720,
      "name": "JPEG 2000 with Extensions",
      "note": "BOF: ....jP  ..\u2021.{4}ftypjpx",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": null,
          "byteSequence": "0000000C6A5020200D0A870A{4}667479706A7078",
          "endianness": "Big-endian",
          "byteSequenceID": 906
        }
      ],
      "provenance": "self generated test files, http://www.jpeg.org/public/15444-2annexm.pdf"
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "jpx",
      "signatureType": "File extension"
    },
    {
      "externalSignature": "jpf",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "submittedBy": [
    1
  ]
}