Definition of chromakey in English:

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chromakey

Pronunciation: /ˈkrōməkē/

noun

A technique by which a block of a particular color (often blue or green) in a video image can be replaced either by another color or image, enabling, for example, a weather forecaster to appear against a background of a computer-generated weather map.
Example sentences
  • During rehearsals for the main ITV1 programmes, the channel decamps to a small single-camera chromakey studio, which wasn't too bad with the old look as you almost couldn't tell to look at it visually.
  • Arm yourself with Eejit's ‘Film Lingo’ and you'll soon know your cookie from your cutaway, your capture card from your chromakey, so you can easily cut to your closeup.
  • You've seen chromakey in action, even if you might not know what it is.

verb (chromakeys, chromakeying, chromakeyed)

[with object]
Manipulate (an image) using chromakey.
Example sentences
  • The anchor sergeant is shot against a blue screen, and chromakeyed in post over the virtual set, which we created in Strata 3DPro.
  • But for those whose editing programs won't handle the pre-keyed footage, we've chromakeyed it so you can key it yourself.
  • If the polarity of the area signal is reversed, the region which can be chromakeyed is reversed as a matter of course.

For editors and proofreaders

Syllabification: chro·ma·key

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