Posted by Andrew Rossmann on 08/03/06 21:09

In article <1154561251.761471.252080@m79g2000cwm.googlegroups.com>,
robert.drea@gmail.com says...
> > Upconverting DVD to HD is a joke. Increasing resolution from a low-res
> > source just involves guessing what the extra pixels should be. It
> > doesn't add any real information.
>
> No, it's not a joke. Depending on your hardware and the clarity of your
> source, it can make a difference. I have a 52" widescreen TV, and
> watching _some_ DVDs with upconverting does make the image smoother.
> Not with everything, and it's not like it's adding extra information,
> but it does reduce the jaggies, and make for a smoother image.
>
> Most noticeable on stuff with particularly sharp images - Pixar flicks,
> 5th Element Superbit, such like that.

To some extent, it depends on your TV/monitor itself. Some offer a
better picture through their digital inputs, some through analog
(component), and others have little difference. It also depends on how
the TV/monitor upscales the DVD signal to the TV's native resolution.

Also, DVD's (at least NTSC format) are 480i native, and 480p is actually
a form of upconverting done by the player. Some do a poor job of
properly handling 3:2 pulldown correction, or not disabling it for non-
film-based material. That can cause jaggies, too.

http://en.wikipedia.org/wiki/Telecine

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