[PD] audio+midi input

guenter geiger geiger at xdv.org
Mon Apr 21 13:50:56 CEST 2003


On Mon, 21 Apr 2003, Frank Barknecht wrote:
> Hallo,
> Jonathan Gage hat gesagt: // Jonathan Gage wrote:
>
> > am i missing something or is PD midi timing absolutely shit when
> > using low latency audio drivers? in linux running jack even with a
> > huge 8192 buffer pd can't hold a steady beat from a sequencer,
>
> I visited something similar when running under Jack with Pd's own
> timing finctions (metro,...). I didn't look into it much further, but
> Guenther, if you're reading this: Didn't you change the priority
> scheduling in Pd recently? Maybe now it's too low... Just guessing.

I don't think so. The bigger the jack buffer size the worse the timing
(8192 is big) I do not know what the problem with ASIO is, but I think it
can not be generalized in the way Jonathan did. The two have to be
investigated separately. Is the timing bad with small jack buffers
too ?

Guenter





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