On 8/6/14, Raffaele Morelli <raffaele.morelli@gmail.com> wrote: > 2014-08-06 13:50 GMT+02:00 Long Wind <longwind2009@gmail.com>: > > > > try with > $ arecord > > filename.wav > > should simply work > > /r > It doesn't work as you have hoped I'm afraid the first two lines of arecord -L indicate sth. wrong: null Discard all samples (playback) or generate zero samples (capture)