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Chroma Key with no background

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Mike Allen
Chroma Key with no background
on Nov 16, 2007 at 9:05:40 pm

I want to give my instructional technology team green screen files where the background has been keyed out. However, I want to give them the speaker with no replacement to substitute for the green screen. So if I key the green and do not put a background picture or video, I guess I would have what I want. What file format should I export this in to keep the alpha channel intact. The team I am giving this to will be using it in flash or other web design programs. That way they can have more freedom with the video to move and put anything in the background they wish.

If someone could just point me to a tutorial or give me a quick overview of how to do this I would greatly appreciate it. I have done many keys in the past and simply replaced the background with other video or a picture. I have never tried this before. Thanks in advance.

Mike


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JeremyG
Re: Chroma Key with no background
on Nov 16, 2007 at 9:07:05 pm

What OS/Platform and where are you performing this key (what App)?

Jeremy


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Mike Allen
Re: Chroma Key with no background
on Nov 19, 2007 at 4:04:50 pm

I am using Boris Red


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Mike Allen
Re: Chroma Key with no background
on Nov 19, 2007 at 4:06:34 pm

Boris Red Version 4 to be exact.


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Vik Narayan
Re: Chroma Key with no background
on Nov 21, 2007 at 12:16:51 am

Quicktime movie Animation codec with millions of colors+ should do the trick. Make sure to select the "+" as this will include the transparency info.


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