Home > Terms > English, UK (UE) > Chroma key
Chroma key
The process of overlaying one video signal over another by replacing a range of colours with the second signal. Typically, the first (foreground) picture is photographed with a person or object against a special, single-color background (the key-color). The second picture is inserted in place of the key-color. The most common example is in broadcast weather segments where pictures of weather maps are inserted "behind" the talent.
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- Part of Speech: noun
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- Industry/Domain: Entertainment
- Category: Video
- Company: Tektronix
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