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Glossary

FILMMAKING TERMS


Term: Blue Screen

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A special-effects process whereby actors work in front of an evenly-lit, monochromatic (usually blue or green) background or screen. The background is then replaced (or matted) in post-production by chroma-keying or optical printer, allowing other footage or computer-generated images to form the image; since 1992, most films use a green-screen.

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