Use an ALSA software capture device - something like this should work
arecord -f S16_LE -c 2 -r 44100 -D plughw:1,0 > filename.wav
CPU will be higher.
Use an ALSA software capture device - something like this should work
arecord -f S16_LE -c 2 -r 44100 -D plughw:1,0 > filename.wav
CPU will be higher.