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Format

QCP Audio File Format

Download XML

Summary

Name
QCP Audio File Format
Identifiers
  • MIME: audio/qcelp
  • PUID: fmt/962
Format type
Audio
Description
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.
File extensions
qcp
Source
Digital Preservation Department / The National Archives

Relationships

Has priority over

Internal signatures

QCP Audio

Note
BOF: RIFF{4}QLCM Format description: https://tools.ietf.org/html/rfc3625

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
52494646{4}514C434D
Endianness
None

Changelog

  • Updated in V114

    Release date
    22 August 2023

    QCP Audio File Format: Added priority over fmt/1886. Submitted by New York Public Libraries and Preservica.

  • Added in V88

    Release date
    27 September 2016

    QCP Audio File Format: Signature developed through PRONOM Research.

    QCP Audio File Format: Full entry added.