On Wed, Apr 13, 2011 at 01:47:09PM +0200, Carl Eugen Hoyos wrote: > (SND_PCM_FORMAT_IMA_ADPCM leads to division by > zero, and with a work-around, I can only hear - recognisable - noise, somebody > else will have to fix/explain). I'd say that means the ALSA developers haven't tested the feature in a long time.