Re: Problems when audio capturing with headset

[Florian Kulzer <florian.kulzer+debian@icfo.es>]

On Sun, Apr 19, 2009 at 10:10:46 -0300, Daniel Bareiro wrote:
> On Tuesday, 14 April 2009 21:53:51 +0200, Florian Kulzer wrote:
> > Earlier, Daniel Bareiro wrote:
> 
> > > > > I'm trying to test the operation of my headset in Debian
> > > > > GNU/Linux Squeeze to be able to use it with a softphone.
> > > > > Although the sound works with the rest of the applications with
> > > > > the headphone, in order to listen what I say I must put
> > > > > practically the microphone grazing the mouth :-S
>  
> > [...]
>  
> > > # amixer scontrols | cut -d\' -f2 | grep -i mic | while read N; do amixer sget "$N"; done
> > > Simple mixer control 'Front Mic',0
> > >   Capabilities: pvolume pswitch
> > >   Playback channels: Front Left - Front Right
> > >   Limits: Playback 0 - 31
> > >   Mono:
> > >   Front Left: Playback 31 [100%] [12.00dB] [on]
> > >   Front Right: Playback 31 [100%] [12.00dB] [on]
> > > Simple mixer control 'Mic',0
> > >   Capabilities: pvolume pswitch
> > >   Playback channels: Front Left - Front Right
> > >   Limits: Playback 0 - 31
> > >   Mono:
> > >   Front Left: Playback 31 [100%] [12.00dB] [on]
> > >   Front Right: Playback 31 [100%] [12.00dB] [on]
>  
> > I find it strange that it does not list any capture capabilities or
> > channels for either microphone. What output do you get for this:
> > 
> > cat /proc/asound/{pcm,devices}
> 
> This is the output that I've obtained:
> 
> # cat /proc/asound/{pcm,devices}
> 00-01: ALC662 Digital : ALC662 Digital : playback 1 : capture 1
> 00-00: ALC662 Analog : ALC662 Analog : playback 1 : capture 1
>   0: [ 0]   : control
>  16: [ 0- 0]: digital audio playback
>  17: [ 0- 1]: digital audio playback
>  24: [ 0- 0]: digital audio capture
>  25: [ 0- 1]: digital audio capture
>  33:        : timer

OK, the capture channels for this chipset are listed, but it is not
clear to me what their associated alsa mixer channels are called. Can
you paste the complete output of

amixer

on http://debian.pastebin.com/ (or a similar site) and post the link
here?

-- 
Regards,            | http://users.icfo.es/Florian.Kulzer
          Florian   |