[Pkg-alsa-devel] Bug#566241: Bug#566241: alsa-base: Crackling and white noise sounds whenever an animation is played on graphical desktop

[Elimar Riesebieter]

* Daniel Gasser [100122 12:38 +0100]
> Package: alsa-base
> Version: 1.0.21+dfsg-2
> Severity: important
> 
> A crackling or white noise sound is present whenever an animation
> is shown on the screen. Animation is to be understood as animation
> in the widest sense.  Even on console, if the cursor is moved, a
> noise is audible. It also applies to mouse movements both on gnome
> or kde 4.  I've tried disabling pulseaudio server, without any
> effect. The sound hardware is discovered correctly as nvidia mcp65
> on board-sound. Before upgrading the system to debian squeeze, it
> was running debian etch without any sound issues. So i don't think
> it is a hardware related problem (like electrical field noise
> inside the box).
> 
> Although it seems related to the graphics system, i'm attaching
> the output of lspci | grep vga below: 02:00.0 VGA compatible
> controller: nVidia Corporation G73 [GeForce 7300 GT] (rev a1)

I suppose you're looking for help but didn't found a bug in
alsa-base, isn't it? Check your gnome and kde specific soundsettigs.
I assume the systemsounds don't work perfect. For this you can find
help from experienced kde and gnome users at debian-users mailing
list. A first step could be to start alsamixer and set one control
after the other to zero and check wether the noise persists or not.

I'll close this bug as it seems not to be alsa related anyway. Alsa
doesn't provide gaphic systems or systemsound issues, though.

Elimar

-- 
  We all know Linux is great... it does infinite loops in 5 seconds.
        -- Linus Torvalds