{
  "fileFormatID": 1103,
  "formatName": "3GPP Audio/Video File",
  "version": null,
  "formatDescription": "An audiovisual container typically associated with 3G mobile phones and is developed by the Third Generation Partnership Project. May contain video/audio or audio only.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": "http://fileformats.archiveteam.org/wiki/3GP\r\nhttps://fileinfo.com/extension/3gpp https://en.wikipedia.org/wiki/3GP_and_3G2\r\nhttp://3gpp.org/\r\nhttp://www.3gpp.org/ftp/Specs/html-info/26244.htm",
  "lastUpdatedDate": "16 Apr 2024",
  "formatProvenance": "04/2024 (v.118)- Description created and notes added. Submitted by The Church of Jesus Christ of Latter-Day Saints as part of PRONOM Research Week 2023.",
  "formatSourceDate": "21 Jun 2011",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Audio, Video",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "audio/3gpp",
      "identifierType": "MIME"
    },
    {
      "identifierText": "fmt/357",
      "identifierType": "PUID"
    },
    {
      "identifierText": "video/3gpp",
      "identifierType": "MIME"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 526,
      "name": "3GPP Audio/Video File",
      "note": "Header: The 4 letters 'ftyp' identifies the atom/box type as an ftyp box, the next 4 indicate the ftyp code for the \"major brand\". The brand sequence indicates the 'best use' of the file, and has several different profiles: basic, streaming-server, progressive-download, extended-presentation, media stream recording, file delivery, adaptive streaming.",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 4,
          "maxOffset": null,
          "byteSequence": "667479703367(65|67|68|70|72|73|74)[34:39]0000[00:03]00",
          "endianness": null,
          "byteSequenceID": 648
        }
      ],
      "provenance": "Ongoing DROID Research"
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "3gp",
      "signatureType": "File extension"
    },
    {
      "externalSignature": "3gpp",
      "signatureType": "File extension"
    }
  ],
  "relationships": [
    {
      "relationshipType": "Can contain",
      "relatedFormatID": 1102,
      "relatedFormatName": "Adaptive Multi-Rate Audio",
      "relatedFormatPUID": "fmt/356"
    },
    {
      "relationshipType": "Has priority over",
      "relatedFormatID": 924,
      "relatedFormatName": "MPEG-4 Media File",
      "relatedFormatPUID": "fmt/199"
    }
  ],
  "submittedBy": [
    1
  ]
}