What is Letterbox?

Jun 30th, 2010 by dvdxplayer 1,495 views |Comments Off

The process of letterboxing consists of taking a movie frame (as shot by the camera of the camera guy on a Hollywood movie set), resize it so that it fits on a 4:3 screen without stretching, then add black bars on top and bottom to fill the entire screen.

The resulting videographic image has mattes (black bars) above and below it; these mattes are part of the image (i.e., of each frame of the video signal). LTBX is the identifying abbreviation for films and images so formatted. The term refers to the shape of a letter box, a slot in a wall or door through which mail is delivered, being rectangular and wider than it is high.

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