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 imag
A 2.35:1 widescreen image letter-boxed in a 1.33:1 screen
A letter box, letterbox, letter plate, letter hole, mail slot or mailbox is a receptacle for receiving incoming mail at a private residence or business. For outgoing mail, post boxes are often used fo
Letterboxing (filming)
…video-graphic image has mattes of empty space above and below it; these mattes are part of each frame of the video signal. 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. The first use of letter-boxing in consumer video…
A mail slot in London, located in the middle of the front door
A cast-iron letter box
An attached or wall-mount letterbox, with a hook underneath for newspapers