[Pkg-alsa-devel] Bug#768383: Bug#768383: (alsa-base: sound is mixed with crackling static)

[Elimar Riesebieter]

* Alan McConnell <alan at his.com> [2014-11-07 14:05 -0500]:

> On Fri, Nov 07, 2014 at 07:18:00PM +0100, Elimar Riesebieter wrote:
> > Please always reply to 768383 at bugs.debian.org as well. Others can
> > participate on the solution you'll find.
> Sorry!  This is my first report of a bug in 10 years
> of running Debian.

>
> > >        craclling as before.   An interesting feature: when I turn
> > >        off the    vlc  , the background music stops, the screen
> > >        disappears . . .  but the crackling continues for several
> > >        seconds before quiet is restored.
> > 
> > You can tell vlc to use an alsa-plugin instead of a pulse-one.
> > 
> > tools -> preferences -> Audio -> Output module -> ALSA audio output
> I don't understand this line.  Can you be more specific?

Run vlc and set the output to "ALSA audio output"

> 
> 
> > Well, pulse starts automagic. Please run as user:
> > 
> > $ echo "autospawn=no" >> $HOME/.pulse/client.conf
> > 
> > This will prevent pulseaudio to start.
> I have just done this.  But I don't understand the
> relationship between ALSA and pulseaudio.  Are they
> competitors? supposed to work together?

They should.

[...]
> > It should be the best to update your systen at least to Lenny. It's
> Did you mean Lenny?  thats Debian 5, no?  I have just
> installed Wheezy, although Squeeze was working very well.

Sorry, Jessie. I am not aware of those idioms as I am running always
sid sighhhh.

> 
> > Please notice, that the maintainers don't support stable anymore.
> > And we won't patch any file just for solving your individual
> > problem. Only in the case of needed security updates or backport
> > issues...
> Haven't I/we established that my problem is a configuration
> issue?  My speakers are what they've always been; my
> hardware, three weeks old, works fine when booted from a
> M$ DVD.  So I am hoping that advice from experts will
> help me to get as good sound results with Wheezy as I
> had with Squeeze.

First we have to find out whether pulsaudio or ALSA is crackling.
Second you should be adviced to upgrade to drivers and software
which are maintained.

Elimar
-- 
 Numeric stability is probably not all that
  important when you're guessing;-)