Rodolfo Medina <rodolfo.med...@gmail.com> writes: > Curt <cu...@free.fr> writes: > >> On 2017-08-07, Rodolfo Medina <rodolfo.med...@gmail.com> wrote: >>> >>> Besides, I ran alsamixer, selected the USB card and unmuted everything. >>> But then, when I try to record, no sound is recorded. I do: >>> >> >> This makes no sense BTW. Unmuted everything? You're *recording*, so what >> you want to do in alsamixer is to select your external usb audio card >> (F6), display its capture device(s) (F5), and toggle on the input >> channel of your choice (space bar). >> >> But I assume you have arrived at this crucial result in one way or another. > > > I did. Besides, the USB card does not even work with headphones: when > headphones are plugged into it, no sound is heard from them.
I had the USB work with headphones doing: $ mplayer -ao alsa:device=hw=2.0 <file> Can this help to solve also the recording problem...? I get no sound recorded doing: $ sox -t alsa hw:2,0 output.wav Rodolfo