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Format

QCP Audio File Format

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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
Submitted by
Digital Preservation Department / The National Archives

Relationships

Has priority over

Internal signatures

QCP Audio

Description
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

  • V114

    Release date
    22 August 2023

    • Updated

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

  • V88

    Release date
    27 September 2016

    • Added format

      QCP Audio File Format: Full entry added.

    • Added signature

      QCP Audio File Format: Signature developed through PRONOM Research.