Bug#687045: pulseaudio: Audio delay and crackling at startup

[Felipe Sateler]

Hi all,

On Sat, Sep 08, 2012 at 08:50:23PM +0200, R33D3M33R wrote:
> Package: pulseaudio
> Version: 2.0-6
> Severity: normal
> 
> Dear Maintainers,
> 
> I installed Wheezy KDE amd64 on several machines:
> 
> *Sempron 3000+ on GA-M55S-S3 (motherboard output)
> *Athlon X2 4850e on MSI K9VGM-V with HD4670 (HDMI output from the graphics
> card)
> *Turion X2 TL56 (integrated speakers)
> *Core I3 2120 on ASUS P8H67 (motherboard output)
> 
> and on startup I'm getting a strange audio delay/crackling.
> 
> The worst sound delay is on the Sempron, the crackling there is so awful, you
> have to turn off speakers. On the i3, there is only a slight delay. It looks
> like this problem is related to the CPU speed and load on startup. If I try to
> open a folder at startup, the delay gets worse.
> 
> I had squeeze installed before and it worked with no problems. I'm not sure
> what data to collect to pinpoint the source of this problem.

This may be a problem of too high CPU usage. Can you try changing the
resample-method key in daemon.pa? 

I think the 'trivial' resampler should be the less cpu-hungry, so you
should probably try that first.

-- 
Saludos,
Felipe Sateler