Chroma Key - Videonics MXPro User Manual

Focus mxpro media mixer: user guide
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You've probably seen the Chroma Key effect used in television weather reports. The
weather person stands in front of a "blue screen" (a solid blue background) and the
weather map then keys onto the background from some other source.
CHROMA KEY combines two sources to create a composite image.
One source has a
1
solid colored
background, such
as a blue screen.
Using Chroma Key you
can combine two
completely separate
images to create a
composite image that
might be impossible to
create any other way.
The Chroma Key effect replaces the solid
3
colored background in the first image with
the video signal from the second image. The
second image replaces the background only
where the designated color appears.

Chroma Key

The other source
2
can be any video
image.
10

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