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Format

Covox ADPCM Audio Files

Summary

Name
Covox ADPCM Audio Files
Identifiers
PUID: fmt/1676
Format type
Audio
Description
Covox ADPCM Audio Files (also known as Covox 8-bit audio) is a title for a family of Adaptive Differential Pulse Code Modulation (ADPCM) formats, used for compressing 8-bit unsigned pulse code modulation. They were invented by Covox for use with Covox sound output devices. ADPCM is a lossy compression format containing audio data that are optimized for storing digitally recorded or sampled voice data.
Note
https://wiki.multimedia.cx/index.php/Covox_ADPCM https://www.wikidata.org/wiki/Q105853888 https://www.file-extensions.org/vmf-file-extension-covox-speech-thing-sample https://en.wikipedia.org/wiki/Covox_Speech_Thing https://www.online-convert.com/file-format/adpcm
File extensions
v8, cvx, v2s, v3s, v4s, vmf
Source
The National Archives and Records Administration / The National Archives and Records Administration

Internal signatures

Covox ADPCM Audio Files | Covox 8-bit audio

Note
BOF; Offset: 0; Magic Bytes: 0xFF55FFAAFF55FFAA

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
FF55FFAAFF55FFAA
Endianness
None

Changelog

  • Added in V105

    Release date
    29 June 2022

    Covox ADPCM Audio Files | Covox 8-bit audio: Signature researched and samples provided by The National Archives and Records Administration.

    Covox ADPCM Audio Files | Covox 8-bit audio: Full entry added. Submitted by The National Archives and Records Administration.