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multiple DVDs same GOP?

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bryanparris
multiple DVDs same GOP?
on Jul 1, 2005 at 1:28:12 pm

I am creating 3 DVDs that need to play simultaneously in sync with each other for a 3 screen show. The videos are exactly the same length (coming out of Avid into Procoder for compression). Is there a way to ensure the initial GOP structure is the same? Will this affect playback syncronization?

Thanks

Bryan


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Dave Friend
Re: multiple DVDs same GOP?
on Jul 1, 2005 at 2:21:26 pm

[bryanparris] "Is there a way to ensure the initial GOP structure is the same? Will this affect playback syncronization?"

Use the same encoder settings and the GOP structure will be the same. However, I don't believe it will have any bearing on playback sync. No matter the GOP structure the players output at the frame rate appropriate for the video standard in use. How well the players stay in sync will probably be determined by how closely their fps rates match. It takes only a tiny fraction of a second difference between machines for the sync to quickly drift.

Dave



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