[LAD] Trying to understand Jack Midi, (Arpage, Dino)

fons at kokkinizita.net fons at kokkinizita.net
Mon Feb 15 16:35:38 UTC 2010

On Mon, Feb 15, 2010 at 04:18:03PM +0000, james morris wrote:

> 1) Is there any way to improve Jack Midi timing when the audio driver has
> a high latency?

I don't think so. If you set the audio period size to
e.g. 4096, jack will call clients only every 85ms, and
midi gets delayed as well.
> 2) What is the reason the Alsa driver/Jack would not start when the
> settings give a big 170ms+ latency?

Probably because your soundcard doesn't have
such large buffers. Which is sort of reasonable.
> BTW, I'm doing this stuff so I can program with Jack Midi.

Nice, but why do you want such high latency ??



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