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Posted by blackburst@aol.com on 01/19/06 22:30
As I recall, the M20 is one of those frame-sync switchers with
composite inputs. The CK is crappy to begin with, but the composite ins
make it almost impossible. Even cheap switchers from the same era use
the Y-Pb-Pr (RGB) outputs of a camera control unit to do a pretty good
CK. Bigger places use Ultimatte or some other advanced system.
I don't know if anybody mentioned it: Green is the preferred color. You
want a background color that the "talent" does not have in their
clothing or eyes. People are more likely to wear blue clothing than
green, and more likely to have blue eyes than green. Hence, green is
the less troublesome color. Don't let the green reflect onto the back
of your subject. Be advised that pros consider chromakey a very
amateurish effect, in many cases.
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