[LAD] ALSA MIDI latency test results are far away from reality

Ralf Mardorf ralf.mardorf at alice-dsl.net
Wed Jul 14 15:27:14 UTC 2010


On Wed, 2010-07-14 at 17:24 +0200, Ralf Mardorf wrote:
> On Wed, 2010-07-14 at 17:21 +0200, Ralf Mardorf wrote:
> > On Wed, 2010-07-14 at 10:53 -0400, Paul Davis wrote:
> > > On Wed, Jul 14, 2010 at 9:52 AM, Clemens Ladisch <clemens at ladisch.de> wrote:
> > > > Is this connection through JACK or through ALSA, i.e., does it show up
> > > > in the output of "aconnect -l"?  From what I understand, JACK's sample-
> > > > synchronous timing always adds latency, and might add period-related
> > > > jitter depending on the implementation.
> > > 
> > > the good stuff adds 1 JACK period of latency to whatever the ALSA

PPS:

A misunderstanding by me?

> > > sequencer's direct delivery + the driver does, and zero jitter.

Is there JACK MIDI for hw MIDI too, but only for virtual synth?

- Ralf

*Offline now*




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