Sorry if this is not a popular suggestion on this forum...
I had 'similar' issues as you - in my case not being able to record my soundcards output - due to a lack of mixer settings on my Nvidia Nforce card that used hda-intel alsa module.
It was pretty annoying as all my old desktops - which have 'worse' soundcards all have the ability to use the mixer to record its own output....
In the end I discovered the snd-aloop module - this coupled with jack2 and a realtime kernel (in arch linux) has sorted out ALL recording issues.
I know your not having the exact same issue as me but perhaps the jack route will sort your issues too?
Once you have the alsa -> jack bridge working pretty much most modern Linux sound apps work without any tweaking..
p.s sorry if this is completely meaningless to your issue.
Cheers
On 4 September 2010 02:00, Niels Mayer <nielsmayer@xxxxxxxxx> wrote:
I think this might be the problem:
http://lists.linuxaudio.org/pipermail/linux-audio-user/2010-September/072350.html
If you have a multichannel capture, then GoogleTalkPlugin, talking to
alsa default input through a dsnoop, will end up capturing from all
channels, not just the microphone. If some of those are playback or
mixer capture channels, then then callers voice will be recaptured and
sent back to them. This is exactly what I was able to replicate using
the digital mixer on an ice1712-based card -- the digital mixer,
capture11,capture12 -- ends up being captured by the VoIP program and
sent back to the caller.
Niels
http://nielsmayer.com
http://p.sf.net/sfu/intel-thread-sfd
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