{
  "fileFormatID": 1207,
  "formatName": "Video Object File (MPEG-2 subset)",
  "version": null,
  "formatDescription": "A Video Object File (or VOB) is a strict subset of the MPEG-2 Program Stream, primarily used within DVD video. A VOB will contain an extended private stream containing both 'Packet Control Information', and 'Data Search Information'.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "15 Nov 2023",
  "formatProvenance": "11/2023 (v.115)- Modified the offset values in the internal signature from null to 0 as part of a project to match PRONOM data with the xsd standard. Internally researched.",
  "formatSourceDate": "11 Jun 2012",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Video",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/425",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 636,
      "name": "Video Object File",
      "note": "Same as BOF sequence for MPEG 1 & 2 but variation on last byte. VAR is seeking presence of Private Stream with \u2018Packet Control Information\u2019, then \u2018Data Search Information\u2019 respectively",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "000001BA{8-11}000001(BB|BD|BE|E0)",
          "endianness": null,
          "byteSequenceID": 787
        },
        {
          "positionType": "Variable",
          "offset": null,
          "maxOffset": null,
          "byteSequence": "000001BF03D400{979}000001BF03FA01",
          "endianness": null,
          "byteSequenceID": 1007
        }
      ],
      "provenance": "11/2023 (v.115)- Modified the offset values from null to 0 as part of a project to match PRONOM data with the xsd standard. Internally researched."
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "vob",
      "signatureType": "File extension"
    }
  ],
  "relationships": [
    {
      "relationshipType": "Has priority over",
      "relatedFormatID": 659,
      "relatedFormatName": "MPEG-1 Program Stream",
      "relatedFormatPUID": "x-fmt/385"
    },
    {
      "relationshipType": "Has priority over",
      "relatedFormatID": 660,
      "relatedFormatName": "MPEG-2 Program Stream",
      "relatedFormatPUID": "x-fmt/386"
    },
    {
      "relationshipType": "Is subtype of",
      "relatedFormatID": 660,
      "relatedFormatName": "MPEG-2 Program Stream",
      "relatedFormatPUID": "x-fmt/386"
    }
  ],
  "submittedBy": [
    1
  ]
}