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Originally Posted by bdav
Why are TVs 16:9 when DVDs are 2:1 (Anamorphic, whatever that is?). The Widescreen never seems to match up with my telly anyway, unless I put it into "cinerama" or some other stupidly named widescreen mode. Whats the difference between 16:9 and 16:9Large?
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Probably as it is easier to make a widescreen CRT tube at 16:9 than wider, of course this may be different for plasma and LCD.
Anamorphic, this is a whizzy on DVDs. If you think of a widescreen VHS tape, the tape is recorded with a black bar at the top and bottom, a large proportion of the tape is dedicated to recording nothing but black. An anamorphic DVD on the other hand has an instruction at the start to define the black and then the entire bandwidth of the transmission is used to play out the moving image between the black bars at a higher available resolution.