[pulseaudio-discuss] Mute mic output keeping its input working
Marcos Felipe Rasia de Mello
marcosfrm at gmail.com
Mon Jul 4 10:27:43 PDT 2011
2011/7/4 David Henningsson <david.henningsson at canonical.com>:
>
> Well, it seems that there is something wrong with the ALSA driver, because
> you have correctly set the "Mic" volume (in the below, "Playback" is
> correctly set to "off" and "Capture" to "on". That should have been enough
> to prevent feedback IMO. I'm not an AC'97 expert though.
>
> Simple mixer control 'Mic',0
> Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch
> cswitch-exclusive penum
> Capture exclusive group: 0
> Playback channels: Mono
> Capture channels: Front Left - Front Right
> Limits: Playback 0 - 31
> Mono: Playback 0 [0%] [-34.50dB] [off]
> Front Left: Capture [on]
> Front Right: Capture [on]
>
https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.15/+bug/25022/comments/10
In alsamixer -c 0 (playback), set "AC97" to 0 and done! (in the
capture settings, "AC97" is set to 100)
Tested with gnome-sound-recorder and it's OK. I'll test Skype later.
Marcos
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