High Def Apect Ratios
Been noticing that many movies are not the correct aspect ratio. Most of the 720p movies found in the scene today. Say a movie such as Batman Begins has an original aspect ratio of 2.35:1 a 720p version should have a resolution of 1280 x 544 but you will see many examples that do not conform to this. Every group in the scene are releasing movies that are a few percent over or under stretched.
Just one of the thousand Examples:
Batman Begins (2005) [BLURAY DTS 5.1 X264 ION] (1280 x 528)
Batman Begins (2005) [HDDVD DTS 5.1 X264]-HD] (1280 x 536)
My question is why are not the majority of releases nuked? And why is it so hard for these groups to release the movie without over or under stretching the picture? Just curious cause going through the movies that i watch i would say that it is the exception rather than the norm for a group to get a rip the right resolution?
10-24-08 at 02:00 AM
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| Expert  Join Date: Oct 2007 Posts: 900 |
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Discuss High Def Apect Ratios at the Helpdesk forum within tehPARADOX.COM Online Sharing Community.
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10-24-08 at 02:51 AM
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| Expert  Join Date: May 2008 Location: Australia Posts: 816 |
Just wondering how does it effect watching the movie if it is over or under stretched? I know nothing on how BluRay and HD work, except that the picture quality makes the original look like a crayon drawn animation. I am glad that they are able to do BluRay and/or HD releases, I myself wouldn't be able too do it since I know nothing of the steps involved.
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10-24-08 at 03:08 AM
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| Novice  Join Date: Sep 2008 Location: Lost in the Netherlands Posts: 157 |
Over or understrectching will warp objects slighty. So if you wanna look thin overstretch will do the trick, for fat it's vice versa. | ||
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10-24-08 at 08:59 AM
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| Global Moderator   Join Date: Oct 2007 Posts: 3,451 |
As far as I know, what really matters to the release groups is limited file size (DVD-5 / DVD-9 etc), speed of encoding process and use of the highest AVB possible for the given resolution, file size and aspect ratio. So, by using a higher cropping rate, which, after all, does NOT seriously affect the resulting encode, they're able to use a higher AVB (meaning better picture quality) and speed up SIGNIFICANTLY the whole encoding process, while retaining ALL other pre-determined encoding standards. IMO, slight picture size over-cropping (ie 528 instead of 544) means practically nothing. However if someone needs to talk just for talking on this issue, then over-cropping means...a lot indeed. Thread closed. Cheers | ||
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