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

> > But look at all of these devices 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
>

OK; my  /proc/asound/cards file reads:

 0 [NVidia  ]: HDA-Intel - HDA NVidia
               HDA NVidia at 0xfe024000 irq 21
 1 [AF      ]: USB-Audio - VF0560 Live! Cam Optia AF
               Creative Labs VF0560 Live! Cam Optia AF at usb-0000:00:02.1-3, high speed
 2 [M2496   ]: ICE1712 - M Audio Audiophile 24/96
               M Audio Audiophile 24/96 at 0xac00, irq 16