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Old 11-03-2007, 06:46 PM
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Default widescreen question

why do some movies have the whole screen on my 27 inch olevia hdtv and some have black bars on top and the bottom im new to the whole aspect ratio thing so ne help would greatly appreciated
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Old 11-03-2007, 06:52 PM
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Quote:
Originally Posted by metsfan1545d View Post
why do some movies have the whole screen on my 27 inch olevia hdtv and some have black bars on top and the bottom im new to the whole aspect ratio thing so ne help would greatly appreciated
The movies that take up the whole screen are either 1.78 or 1.85:1 aspect ratio movies. There are actually black bars on the 1.85:1 movies, but they're so small you'd have to get right up to the TV to notice. The other main aspect ratio for films is 2.40:1, and those are the movies that have noticeable black bars on a widescreen set.
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Old 11-03-2007, 06:53 PM
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...Johnny just beat me to the punch, haha

He's right. 2.35:1 films must be letterboxed to fit in the 1.78:1 screen area without losing picture information.
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Old 11-03-2007, 06:59 PM
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thanks for the clarification
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Old 11-03-2007, 07:13 PM
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Some of the HD DVDs that are supposed to be 1.85 are in fact 1.78 (I'm thinking of The Searchers and Rio Bravo). 1.85 films should, in fact, have small black borders on the top and bottom. Wider films will have increasingly larger borders,as others have noted.

Less wide films will show borders on the left and right. 1.66 AR films (like the recent A Clockwork Orange), should have noticeable black borders on the left and right. 1.33 (or1.37, academy ratio) films (like Casablanca or Adventures of Robin Hood) will have considerable black bars on the left and right.

All this if your TV is truely 16x9 (some are not, like 720p Sony displays, that are often 15x9) and if you have your display set to show you everything (1:1 pixel mapping).
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Old 11-03-2007, 11:34 PM
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One of Josh Zyber's first columns for this website addresses this issue completely and concisely. I believe that the link to the story can be found in the General Forum - Both Formats section.
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Old 11-04-2007, 12:24 AM
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Why Don't the Black Bars Go Away?
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Old 11-04-2007, 08:13 AM
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Not this old chestnut...
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Old 11-05-2007, 04:18 AM
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Here's some more reading for you:

http://en.wikipedia.org/wiki/Aspect_ratio_%28image%29
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