On Thu, 2016-04-21 at 08:26 +0300, Laszlo KERTESZ wrote: > Hello, > Is there a config option to disable the automatic microphone gain > adjustments? I am referring to the case where the recording section in > alsamixer has a microphone boost option that can be adjusted. > When voip applications are used, particularly with echo-cancel, this slider > is automatically adjusted, sometimes causing very loud background noise. > This can be disabled manually if i edit the corresponding conf files in > /usr/share/pulse/alsa-mixer/paths/ (Debian) and i set the volume option > from merge to zero for the boost control then restart pulseaudio. But these > changes are overwritten on every update. > > Is there a method of achieving this without editing those files, preferably > an option in the pulseaudio's own configuration? Disabling the boost mixer element can't be done in a nice way. If echo- cancelling is where this causes the most problems, though, maybe disabling the automatic gain control of module-echo-cancel can help. There was a recent thread about how to do that: http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/25742 --Â Tanu