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Posted by Richard Crowley on 10/05/18 11:37
"Tech Geek" wrote ...
> Thanks for the help!
> I tried using a posterboard that was green and it worked fine. There
> is a bit of green border around the subject, however I'm hoping the
> lighting will fix that . . . the board was not perfectly flat either .
A traditional fix for that is to use some color to "counteract" the
green reflection. "Bastard amber" is one of the gel colors they
used for that, IIRC.
> I was pretty surprised the white didn't work at ALL. I don't
> understand why it didn't but . . .oh well. Thanks again for the help.
Chroma means "color". There is NO color in white (or black or gray).
It works when the switcher looks for the specified color and then
substitues video from the other source whenever it sees that color.
But "white" ain't any color, so it can't find it.
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