Pulseaudio in F12

[Paulo Cavalcanti]

On Sun, Nov 29, 2009 at 2:26 PM, Jud Craft <craftjml at gmail.com> wrote:

> > I have two sound cards installed: one onboard and another PCI.
> >
> > The PCI, the one I do no use very much, works fine. The onboard
> > is the one which does not save the volumes. Every time I call an
> application
> > its master and pcm volume go to the maximum (I see the sliders going to
> the
> > top
> > in alsamixer).
>
> This has been addressed by the PulseAudio creator.  You can read more
> about it here, see the "PCM is always 100%":
>
> http://pulseaudio.org/wiki/PulseAudioStoleMyVolumes
>
> In my lay explanation, Pulse manages the application volumes behind
> the scenes.  It still remembers their values, but it doesn't use
> Alsamixer to set them.  It tries to use the full volume range of the
> hardware (for better volume scaling), so it keeps every other software
> linux volume control at full volume, and scales itself internally.
>
> Otherwise, ALSA would say "you can only use the lower 50% of the sound
> range of this device".  (PCM at 50%).  Now Pulse decides internally
> what volume level is best.
>
>
>
Thanks for the explanation.

At least 3 applications are not restoring the volumes:

xmms, mplayer and audacious.

The solution is using the alsa plugin, and not the pulse plugin in these
cases.

Some others work fine, such as rhythmbox, amarok, vlc, and kradio4.

-- 
Paulo Roma Cavalcanti
LCG - UFRJ
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