But look at all of these deviced I can choose from
in Alsa mixer:
HDA NVidia (Alsa mixer)
FG0560 Live! Cam Optia AF (Alsa mixer)
Capture: VF0560 Live! Cam Optia AF Analog Stereo (PulseAudio Mixer)
M Audio Audiophile 24.96 (Alsa mixer)
Playback: ICE1712 [Envy24] PCI Multi-Channel I/O Controller Analog
Stereo
(PulseAudio Mixer)
Playback: Internal Audio Analog Stereo
(PulseAudio Mixer)
Capture: Monitor of ICE1712 [Envy24] PCI Multi-Channel I/O
ControllerAnalog Stereo
(PulseAudio Mixer)
Capture: ICE1712 [Envy24] PCI Multi-Channel I/O
Controller Analog
Stereo (PulseAudio Mixer)
Capture: Monitor of internal Audio Analog Stereo
(PulseAudio Mixer)
the relevant output is really what this command says:
cat /proc/asound/cards
the complication is that some devices have multiple PCM devices on a single
card. then it gets a bit more complex. but in the common case, the "one to
pick" is hw:CARDNAME (as described here: