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Old March 28th, 2008, 01:00 PM   #1
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Premiere-AE workflow questions

There must be a better way than what I'm doing right now. I have Cineform encoded green screen clips that I first rough cut in Premiere. I then export the timeline as a CineForm High HD optimized .avi and import into AE so I can cut the key. I then bring the matted footage back into Premiere so I can add my backgrounds and graphics. (I don't do that in AE because I haven't figured out how to make enough of the clip play real time with audio so I can time my graphics). I render in AE as Video For Windows RGB+alpha straight (unmatted). I've tried rendering as CineForm AVI RGB+alpha, both premultipled and straight, but Premiere doesn't seem to recognize the alpha channel on the Cineform AE renders. Any suggestions on how to streamline this gratefully accepted.
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Old March 28th, 2008, 03:14 PM   #2
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Alpha channels only supported with Prospect 2K/4K and NEO 4K. The workflow questions I less sure about. Won't Dynamic link help you somewhat?
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Old March 31st, 2008, 07:32 AM   #3
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Thanks for the response, David. I guess I need to consider upgrading.
Does raise a question, though. Why does the menu offer the option of rendering with an alpha if the software doesn't support it?
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Old March 31st, 2008, 10:05 AM   #4
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It shouldn't, we will need to check out that (it is support to be ghosted on the HD products.)
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