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

From: Paul Davis <paul@email-addr-hidden>
Date: Mon Feb 15 2010 - 19:31:19 EET

On Mon, Feb 15, 2010 at 11:35 AM, <fons@email-addr-hidden> wrote:
> 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.

fons, recall the difference between latency and jitter. the problem
with the -Xseq backend (and -Xraw too) is that it causes really bad
jitter in addition to whatever latency is present. a2jmidid (at least
the current git version) doesn't do this - it keeps the jitter as low
as possible and the latency is constant.
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Received on Mon Feb 15 20:15:02 2010

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