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Topic: Upconverted DVDs on HDTV
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Julio Roberto
Jedi Master Film Handler
Posts: 938
From: Madrid, Madrid, Spain
Registered: Oct 2008
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posted 12-19-2009 03:32 PM
And you are probably watching NTSC ("american") DVD's which have a resolution of 720x480 and encode 23.96 frames per second which then are un-evenly spaced out interlaced over 29.97fps. And that's if they are well made (some actually encode the full fake 29.97fps, which is even worse).
Imagine how good a properly made, anamorphic PAL DVD looks like, having a 720x576 resolution and an extra (non-made up, just accelerated) frame per second (25) without interlace artifacts (i.e. two consecutive fields make a "perfect" frame, so 100hz tv sets which have been very common for ... ever here can display what amounts to virtual progressive frames).
That's one of the reasons why in Europe i.e. blu-ray is not getting so popular so fast. You get HD from TV (very little but more-and-more all the time) and upconverting DVD players (which cost as little as $50 around here literally, really) play back PAL DVD's looking more than good enough for the general public.
Sure blu-ray has more resolution and it's taking-over quite rapidly. But also, blu-rays are not made anamorphic, so their actual resolution can be something like 1920x804 on a Scope movie. 804 is not all that much difference (in vertical res) from 576 (anamorphic) PAL. But in all reality, if you respect the 2.35 ratio, it wouldn't be 576 either, but you get the point.
Again, not saying blu-ray is not far better. Just that some PAL DVD's can look really excellent. Specially when anamorphically enhanced, which virtually all titles are, and upconverted, which most DVD players in the market in the past 5 years do, even cheap ones, and displayed progressively 576p (i.e. in 100hz displays).
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