ZynAddSubFX was: Re: [linux-audio-dev] some new soundfiles on-line

[Florian Schmidt]

On Fri, 13 May 2005 17:02:42 -0400
Lee Revell <rlrevell at joe-job.com> wrote:

> > paul knows that zyn is not RT-safe. he had several conversations with
> > me at LAC2005 about how to redesign the internals. it works fine at
> > larger latencies.
> 
> Judging from those messages, it seems like it should certainly work at
> 128 frames, maybe 64.  But 32 is insanely low - too low for most sound
> hardware.  That setting is more appropriate for stress testing the
> kernel, than for actual music making.

I beg to differ. Especially because some AD/DA's introduce quite a bit
of additional latency. When i used my cs46xx based card i had to go down
to 32 frames to get an acceptable latency for playing my guitar through
jack-rack. I once measured the roundtrip latency of this card and found
out my AD/DA's added another 4-5ms of latency to the 1.333ms latency
which were caused by the periodsize of 32 frames. And it seems 6ms total
latency was fine for me :)

Flo

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