LanguageADPCM
ADPCM audio
File type: Various data file
An adpcm file extension is related Adaptive Delta Pulse Code Modulation a subclass of Microsoft WAVE format.
What is adpcm file?
File type category:
Various data file
Date updated: July 13, 2025
The adpcm file extension is associated with the Adaptive Delta Pulse Code Modulation (ADPCM) a subclass of the Microsoft waveform (wav) file format.
The adpcm audio storing waveforms in 16-bit or 8-bit PCM. It only uses 4 bits per sample, taking up a quarter of the disc space of 16-bit PCM. However, the sound quality is inferior.
The adpcm format can also used wav file extension.
How to open adpcm file?
Use any audio playback tool, like VLC player to playback *.adpcm files.
How to convert adpcm file?
Audio files can be usually converted between various formats, so *.adpcm files can be converted to other audio like mp3 and others.
Suggested software to open adpcm file:
Associated software actions with the adpcm file
Apps designed for playing adpcm files:
VLC media player (Microsoft Windows)
Microsoft Windows Media Player (Microsoft Windows)
VLC media player for Mac (Apple macOS / Mac OS X)
VLC media player for Linux (Linux/Unix)
Software applications that handle other tasks involving adpcm files:
XWE (Microsoft Windows)
This War of Mine (Multiplatform)