{
 "id": "qcp-audio-file-format",
 "name": "QCP Audio File Format",
 "category": "audio",
 "identifiers": {
  "extensions": [
   "qcp"
  ],
  "mime": [
   "audio/qcelp",
   "audio/vnd.qcelp"
  ],
  "puid": [
   "fmt/962"
  ],
  "wikidata": [
   "Q7265393"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "52494646",
    "notes": "QCP Audio"
   }
  ],
  "signatures": [
   {
    "name": "QCP Audio",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "52494646{4}514c434d"
     }
    ]
   }
  ],
  "priority_over": [
   "fmt/1886"
  ]
 },
 "status": "readable",
 "summary": "QCP is a storage format for exchanging Qualcomm Code Excited Linear Prediction (QCELP 13k) encoded audio data, as well as Enhanced Variable Rate Codec (EVRC) and Selectable Mode Vocoders (SMV) data.",
 "tools": [
  {
   "name": "FFmpeg",
   "url": "https://ffmpeg.org",
   "license": "LGPL-2.1-or-later / GPL-2.0-or-later",
   "open_source": true,
   "reads": true,
   "writes": false
  },
  {
   "name": "PhotoRec",
   "url": "http://www.cgsecurity.org/wiki/PhotoRec",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License",
   "open_source": true
  },
  {
   "name": "Qualcomm PureVoice",
   "url": "https://www.wikidata.org/wiki/Q117604199",
   "reads": true,
   "writes": true
  }
 ],
 "projects": [
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/Qualcomm_QCP",
   "kind": "wiki"
  },
  {
   "name": "PRONOM fmt/962",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/962",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q7265393",
   "url": "https://www.wikidata.org/wiki/Q7265393",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "converters",
   "ffw",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "conversions": [
  {
   "to": "flac-free-lossless-audio-codec-1-2-1",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.qcp out.flac",
   "fidelity": "lossless",
   "losses": "Lossless for decoded audio; a lossy source stays as degraded as it was. WAV may reduce bit depth or drop metadata.",
   "url": "https://ffmpeg.org"
  },
  {
   "to": "waveform-audio",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.qcp out.wav",
   "fidelity": "lossless",
   "losses": "Lossless for decoded audio; a lossy source stays as degraded as it was. WAV may reduce bit depth or drop metadata.",
   "url": "https://ffmpeg.org"
  },
  {
   "to": "mpeg-1-2-audio-layer-3",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.qcp out.mp3",
   "fidelity": "lossy",
   "losses": "Lossy re-encoding.",
   "url": "https://ffmpeg.org"
  },
  {
   "to": "ogg",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.qcp out.ogg",
   "fidelity": "lossy",
   "losses": "Lossy re-encoding.",
   "url": "https://ffmpeg.org"
  },
  {
   "to": "mpeg-4-part-14",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.qcp out.mp4",
   "fidelity": "lossy",
   "losses": "Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.",
   "url": "https://ffmpeg.org"
  },
  {
   "to": "matroska-1-4",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.qcp out.mkv",
   "fidelity": "lossy",
   "losses": "Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.",
   "url": "https://ffmpeg.org"
  },
  {
   "to": "webm",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.qcp out.webm",
   "fidelity": "lossy",
   "losses": "Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.",
   "url": "https://ffmpeg.org"
  }
 ],
 "aliases": [],
 "structure": [],
 "parsers": [],
 "samples": [],
 "claims": [],
 "verification": []
}