{
  "fileFormatID": 1986,
  "formatName": "Nullsoft Streaming Video",
  "version": null,
  "formatDescription": "The Nullsoft Streaming Video (NSV) format is a multimedia container format designed to enable streaming of video and audio.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "18 Apr 2024",
  "formatProvenance": "04/2024 (v.118)- Signature named 'Nullsoft Video with optional header' updated to extend byte range between two strings. Submitted by Preservica.",
  "formatSourceDate": "02 Aug 2018",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Video",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/1176",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 1557,
      "name": "Nullsoft Video with optional header",
      "note": "BOF: 'NSVf'{24-16384}'NSVs' (must have minimum 24 byte header but can include variable amount of metadata, Table of Contents)",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "4E535666{24-16384}4E535673",
          "endianness": null,
          "byteSequenceID": 1825
        }
      ],
      "provenance": "http://multimedia.cx/mirror/NSVFormat.rtf; 04/2024 (v.117)- Signature updated to extend byte range between two strings. Submitted by Preservica."
    },
    {
      "signatureID": 1558,
      "name": "Nullsoft Video without optional header",
      "note": "BOF: 'NSVs'",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "4E535673",
          "endianness": null,
          "byteSequenceID": 1826
        }
      ],
      "provenance": "http://multimedia.cx/mirror/NSVFormat.rtf"
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "nsv",
      "signatureType": "File extension"
    }
  ],
  "relationships": [
    {
      "relationshipType": "Has priority over",
      "relatedFormatID": 687,
      "relatedFormatName": "MPEG 1/2 Audio Layer 3",
      "relatedFormatPUID": "fmt/134"
    }
  ],
  "submittedBy": [
    1
  ]
}