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Re: Help with USB audio card




Rodolfo Medina <rodolfo.medina@xxxxxxxxx> writes:

> Curt <curty@xxxxxxx> writes:
>
>> On 2017-08-07, Rodolfo Medina <rodolfo.medina@xxxxxxxxx> 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