[pulseaudio-discuss] Muting while changing ports

[Lu Guanqun]

On Thu, Sep 22, 2011 at 08:55:04AM +0800, Lu Guanqun wrote:
> On Wed, Sep 21, 2011 at 10:16:52PM +0800, Tanu Kaskinen wrote:
> > On Wed, 2011-09-21 at 17:08 +0300, David Henningsson wrote:
> > > On 09/21/2011 02:22 PM, Tanu Kaskinen wrote:
> > > > Hi,
> > > >
> > > > There exists audio hardware that produces annoying noise (snap, crackle,
> > > > pop) when changing the alsa mixer settings, unless hw mute is used
> > > > during the mixer changes. I'm planning to fix this by using hw mute
> > > > during path activation, if the path provides hw mute. If anyone has
> > > > objections or other comments, the best time to publish them would be
> > > > now :)
> > > 
> > > Does not sound like anything I would like to enable by default - e g, 
> > > what if hw mute introduces a click, and changing the volume does not?
> > 
> > If you think that such hardware is likely to exist, then I guess I'll
> > have to make this configurable, and disable it by default. The path
> > configuration files would get a new option for the [General] section:
> > "mute-during-activation = yes/no". Does that sound ok to you?
> 
> I have the same concern with David, but as it's configurable, I'm OK
> with it.

Hi Tanu,

Sorry to send it again, but as a second thought, isn't the annoying
noise a bug of underlying driver? I once met with a poorly written
driver that causes lots of unpleasant noises (though not in mixer
changing operation).

-- 
guanqun