[pulseaudio-discuss] How to prevent certain applications from changing recording volume?

[Arun Raghavan]

On Wed, 23 May 2018, at 8:59 PM, Tanu Kaskinen wrote:
> On Wed, 2018-05-23 at 16:48 +0200, Sven-Hendrik Haase wrote:
> > It changes the device volume. I often have to use web-based conference
> > tools and apparently browsers like auto adjusting the microphone gain.
> > However, this annoys as it is perfectly calibrated for other applications
> > already. There is no way to stop these applications from adjusting the gain
> > and so I'd like to do this at a pulseaudio level.
> 
> Blocking individual operations such as volume adjustments based on the
> application or other criteria isn't currently supported. Wim Taymans
> has written patches for a generic access control infrastructure, but
> I'm not sure if and when those will get to upstream...
> 
> -- 

Might be worth looking for a way to disable AGC on the browser for this case.

Cheers,
Arun