Letterboxing (filming)

A 2.35:1 widescreen image letter-boxed in a 1.33:1 screen

Letter-boxing is the practice of transferring film shot in a widescreen aspect ratio to standard-width video formats while preserving the film's original aspect ratio. The resulting video-graphic image has mattes of empty space above and below it; these mattes are part of each frame of the video signal.


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