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Re: Having drift in video with playback with Aja Kona Lhe card in FCP7

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Mark Spano
Re: Having drift in video with playback with Aja Kona Lhe card in FCP7
on Apr 1, 2013 at 8:48:20 pm

If your throughput is compromised, audio will gradually lose sync with video. So much so that you can hit stop and play again and they will be in sync again and slowly drift out further and further.

Solution is one of two (or both) options: First, make sure source drives can actually play this source media. Open in QT player and play long clip - does it go out of sync just in QT player? Is the video choppy, dropping frames, etc.? If so, move the source media to faster drives.

Second: is the AJA card in the right slot? Check the slot configuration page here and make sure you've got enough lanes for the HD throughput. I had a system where this was in the wrong slot and had sync issues just like yours. Moving the card and configuring for enough lanes solved the problem.



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