vec bilo :)

http://www.proz.com/kudoz/1106522?float=1

moze takodje i "plavi ključ" - zavisi od konteksta

definicija:

Matte is a process in photography or filmmaking in which film of a live actor is mixed with an artificially created image to give the impression that the actor has a different background or surroundings.

A later development, called the travelling matte, allowed the shape and position of the matte to be altered from frame to frame, enabling greater freedom of composition and movement as the actors did not have to remain within a set portion of the image. If the matte were made exactly the same size and shape as the image of the actor, it was even possible to replace the entire background.

http://www.answers.com/travelling matte

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Note added at 17 mins (2005-10-13 10:49:54 GMT)
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A later development, called the travelling matte, allowed the shape and position of the matte to be altered from frame to frame, enabling greater freedom of composition and movement as the actors did not have to remain within a set portion of the image. If the matte were made exactly the same size and shape as the image of the actor, it was even possible to replace the entire background.