[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]


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.


More information about the pulseaudio-discuss mailing list