[LAD] MIDI jitter

Ralf Mardorf ralf.mardorf at alice-dsl.net
Fri Jun 18 09:36:50 UTC 2010


Another stupid question induced by an argument regarding to MIDI jitter 
by Daniel James.

> [snip] I'm sceptical that
> the realtime kernel is the cause of your MIDI problems. If they got this
> right in the 80's, on computers which could not do anything near
> realtime audio processing, then I think it's more likely to be a
> question of MIDI application design.

IMO it's a good hint.

Why do people (not only me) report jitter for external MIDI equipment, 
but I couldn't find any report for real-time audio jitter? Resp. what's 
about async and disconnecting clients by JACK? Does this regard to the 
same issue, caused by the hardware combination?

And it's not only for Linux, but for e.g. Windows Cubase too, while 
Cubase on the Atari is ok. OTOH on Windows audio clients don't 
disconnect, just MIDI jitter is an issue too.

Cheers!

Ralf



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