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Audio Video out of sync

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George Chung
Audio Video out of sync
on Mar 5, 2009 at 1:12:45 pm

Hi All,

I have audio/ video out of sync 18 frames constantly in
Final cut pro 60.2.(for any clip that longer than 30 minus).
It doesn't happen to short clips.

The system as folowed:
Mac pro Version 3,1 Dual quad 2.8G (no PCI utility required)
OSX 10.5.6
4G of Ram
AJA Kona 3 in slot 3, driver 6.02
QT version 7.6
Final cut pro 6.02
Areca 1221 Raid 6 controller
Hitachi 1TB Sata 3 Hard disk x 8 as Raid 6
M-Audio ProjectMix via FW400 port

I have running another set of Final cut pro 6.02 with
almost the same set up, excepted it has two apple fibre channel
cards instead of SATA raid
controller. It's been runnig perfectly stable since day
one. And that is a early 2008 mac pro quad 2.8 with 8G of

I've tried swape Ram and Kona 3 with this working Mac pro,
but the problem remain the same.
I've tried re-installed from OSX then all the apps,
same thing happened.

Any suggestion what to check ?


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