Problem with alsa-PCM level in pulseaudio
Neil Bird
neil at fnxweb.com
Fri Sep 4 11:48:45 UTC 2009
On my F10 box, I just had an issue (after a reboot) with music coming out
nastily distorted. At least no my box, this usually means that the alsa PCM
control is too high/max.
However, I can see no legitimate way of accessing that now that my box is
set up to use pulseaudio. alsamixer just shows the one control, being the
main volume. The pulseaudio mixer doesn't help ,it just makes the disorted
music quieter.
I resorted to an ancient build of gnome-alsa-mixer I still have installed
which still seems to work; this showed me all the old alsa entries, and
lo-and-behold PCM was maxed out. I dropped it back to ~%80-90 and the
problem was sorted.
So what am I missing? What should I have done (if gnome-alsa-mixer
weren't around)? Should I need some extra alsa black magic to still show up
the PCM control in alsamixer?
(with apologies if at any point I seem to know what I'm talking about but
don't!)
--
[neil at fnx ~]# rm -f .signature
[neil at fnx ~]# ls -l .signature
ls: .signature: No such file or directory
[neil at fnx ~]# exit
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