[linux-audio-user] terrible sound with jack SOLVED. but no sound in traverso?

Matt Price matt.price at utoronto.ca
Sat Feb 3 09:23:57 EST 2007


On Fri, 2007-02-02 at 23:11 +0000, Burkhard Ritter wrote:
> On Fri, Feb 02, 2007 at 05:32:18PM -0500, Matt Price wrote:
> > On Fri, 2007-02-02 at 21:44 +0000, rob wrote:
> [...]
> > > Did you try 3 periods, 48kHz?
> > > 
> > 
> > ah, no, I didn't understand what periods were, I guess, so I didn't try
> > that option.  48k appears to bethe default sampling rate, but -n3 fixes
> > the problem -- in fact there are no xruns at all once I add that switch.
> > yay!  I do get a message in jackd:
> > delay of 20690.000 usecs exceeds estimated spare time of 20672.000;
> > restart ...
> [...]
> 
> I got rid of these messages by making sure my processor doesn't switch
> the frequency while I am running jack. You can do this with
> cpufreq-set -g performance

ah.  well, since I'm running on a laptop and my latency performance
really isn't all that important, I'll just leave it -- but it's nice to
understand the error a bit better.  tthanks!


> There's also a nice applet for the gnome panel, that can do this.
> 
> Hope that helps.
> 
> Burkhard
-- 
Matt Price
History Dept
University of Toronto
matt.price at utoronto.ca
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