On Mon, Jul 16, 2012 at 2:28 PM, Ivan K <ivan_521521@yahoo.com> wrote:

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:

http://jackaudio.org/device_naming