[LAU] ZynAddSubFx audio jitter, no xruns

[christian bunge]

Hi I have the same problem on Ubuntu 8.04 at

128 Fraames/Period
and Sample Rate 44000

On Studio64 2.04
I don't have jitter with the same jack setup

I guess it has something to do with the kernel



Nathanael Anderson schrieb:
> I'm working on setting up a dedicated music box at home, and am running into
> a strange issue with ZynAddSubFx, I picked very non aggressive settings
> while trying to eliminate the jitter problems . First here is my setup:
> 
> Ubuntu 8.10
> 2.6.29.rc6-rt3 kernel
> jack
> 256 Fraames/Period
> Sample Rate 96000
> Periods/Buffer 4
> Realtime
> Midi Driver: seq
> resulting latency 10.7 ms
> Maudio Omni i/o with Delta 44 sound card (ice1712 driver)
> Maudio Axiom 61 midi keyboard
> 
> When I use qsynth with a soundfont loaded in it, there are no xruns, and no
> audio jitter.
> 
> When I use zynaddsubfx there are NO xruns, but there is audio jitter. I
> thought I saw news on the list of a new release of zynaddsubfx, but the last
> update on their sourceforge site was in 2005. Anyone on the list ever see
> this behavior from zynadsubfx.
> 
> 
> 
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