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I've been following the "" thread. page-3#entry233201, Marc Wielage brings up the point about delay caused by display devices: These delays of just 10 ms are enough to throw off foley, sound fx, and dialogue - anything really. Does anyone know of a reliable way to measure this kind of picture vs sound delay other than this: http://www.pharoahaudio.com/syncheckproducthomepage.html I use Syncheck version 2 and it seems like the appropriate tool, but even Syncheck isn't foolproof. How else does one measure the delay so that it can be accounted for? The second part of the question, how to adjust for the delay, is easy enough in Pro Tools. It has a video sync offset that offers 1/4 frame steps. One other thing to consider - variable delay. Without genlock between Pro Tools video output and the display device, there will be a varying delay between picture and sound. I can play the same 5 seconds of a scene and the timing will look slightly different each time. Using Syncheck will even confirm that the timing jumps randomly. Oh technology... Mark O.