Bug#452282: crackling sound

[Sebastian Dröge]

Am Montag, den 03.12.2007, 12:57 +0100 schrieb Gerfried Fuchs:
> Hi!
> 
>  I'm yet another person who noticed this annoyance.
> 
> On Sun, Dec 02, 2007 at 09:46:33PM +0100, Sebastian Dröge wrote:
> > gst-launch-0.10 audiotestsrc ! 
> > "audio/x-raw-int,width=32,depth=32" ! alsasink
> >  
> > gst-launch-0.10 audiotestsrc ! 
> > "audio/x-raw-int,width=16,depth=16" ! alsasink
> > 
> > gst-launch-0.10 audiotestsrc volume=1.0 ! 
> > "audio/x-raw-int,width=32,depth=32" ! alsasink
> > 
> > gst-launch-0.10 audiotestsrc volume=1.0 ! 
> > "audio/x-raw-int,width=16,depth=16" ! alsasink
> > 
> > 
> > Which of those give crackling sound? All with width=32?
> 
>  The audiotestsrc never gave me crackling sound, only actual tunes,
> mostly deep bass parts, and only with width/depth set to 32, 16 works
> perfectly. The set volume doesn't make any difference, audio players
> that don't use gstreamer play the tunes perfectly.
> 
> > Then it would be nice if you could try on the commands that
> > give crackling to set the buffer-time and latency-time
> > properties of alsasink.
> > 
> > You can do so by writing instead of "alsasink"
> > "alsasink buffer-time=200000 latency-time=10000"
> > 
> > Try using higher values than these and please report if this makes
> > any difference.
> 
>  How much higher do you want? I added two zeros to each of the numbers
> with no real change ...
> 
> > Also please try if using "alsasink device=hw:0" or "alsasink
> > device=demix" makes a difference.
> 
>  Doesn't change anything neither, sorry.

Let's take bug #452282 :)

Ok, so this seems to be another bug... could you try if playing with
your alsa-mixer settings fixes anything for you?