{
 "id": "memory-stick-voice-file-msv-adpcm-codec",
 "name": "Memory Stick Voice File (MSV)",
 "category": "audio",
 "identifiers": {
  "extensions": [
   "msv"
  ],
  "puid": [
   "fmt/1890"
  ],
  "wikidata": [
   "Q121913880"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "4d535f564f494345",
    "notes": "MSV ADPCM"
   }
  ],
  "signatures": [
   {
    "name": "MSV ADPCM",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "4d535f564f494345{4}01000000534f4e5920434f52504f524154494f4e{28}00(05|09)0001"
     }
    ]
   }
  ],
  "priority_over": [
   "fmt/472"
  ]
 },
 "status": "unknown",
 "summary": "The Memory Stick Voice (MSV) format is an audio file format that was used on the Sony Memory Stick IC recorder, specifically the ICD-MS1 model. Two versions of the MSV format exist: MSV (ADPCM) and MSV (LPEC). The first version, this one, MSV (ADPCM), uses an unspecified type of ADPCM compression, while MSV (LPEC) uses Sony's proprietary Long-term Predicted Excitation Coding (LPEC) codec.",
 "projects": [
  {
   "name": "PRONOM fmt/1890",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/1890",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q121913880",
   "url": "https://www.wikidata.org/wiki/Q121913880",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "version": "ADPCM Codec",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "tools": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": [],
 "family": "memory-stick-voice"
}