[alsa-devel] Record stereo from one input on the soundcard

[Pavel Hofman]

Hi Tomas,

Dne 25. 01. 19 v 21:44 Tomas Nordin napsal(a):
>>
>> The following command lets me record audio from the card,
>>
>> $ arecord -c 2 -d 60 -f S24_3LE -r 48000 -D hw:1,0 s3.wav
>>
>> The resulting wav file has all hearable audio in the left speaker when
>> listening.

If you really feed stereo signal into your soundcard stereo input jack 
and the card is not somehow configured to merge the input channels, the 
above command does record stereo signal.

Available controls of the card are listed by command

amixer -c 1 contents

Best regards,

Pavel.