[linux-audio-user] Audio file format

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On Mon, Mar 31, 2003 at 08:16:44 +0200, Robert Epprecht wrote:
> file 1.wav
> 1.wav: RIFF (little-endian) data, WAVE audio, Microsoft ADPCM, mono 44100 Hz
> 
> I thought WAVE was a format without compression? The duration of the files
> (when played by 'play') shows that this is not possible. So what is it?

Yes, its ADPCM (adaptive PCM) compressed. There are a bunch of diferent
ADPCM formats, I dont know which ones WAV files can contain have you tried
loading it into something that used libsndfile, thats probably the best
bet to decode it to something useful.

WAV files dont have to be uncompressed, there are a few different lossy
compression schemes that WAV can contain.

- Steve 


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