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Seq V.2 in sync with Sequencer


whomper
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I am having some timing issues with connecting the SEQ with Logic 7.

if the seq is the master and the tempo is for example 120BPM, I am getting an ever changing tempo of 119-119.90 constantly changing, which renders synchronized effects problematic as I am getting flanging effects.

What should I do to create a stable clock?

Erez

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The difference between 120 BPM and 119 BPM is 136 uS (@24ppqn)

It's a systematic problem, that such a jitter cannot be compensated with MIDI, as sending one byte takes 320 uS

In addition, your MIDI interface (USB?) will add some additional delay and jitter, and this is normaly much higher than the accuracy of a MIDIbox. See also the MIDI benchmark: http://www.midibox.org/forum/index.php?topic=2342.0

So, the only solution is to use Logic as MIDI clock master

Best Regards, Thorsten.

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