If regular (non Blu-ray) movie DVDs are standard video (480i), why do they look like HD when viewing them?

Word_Nerd_and_his · Word_Nerd_and_his's HD Set Up

or at least much much better than normal standard video.

i know it related to progressive scan and the all digital signal (no noise/signal loss). but can anyone give me a brief, easy to understand answer?

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OriginalName737190 · OriginalName737190's HD Set Up

is your dvd player 1080p up-scaling?

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TV_guy · TV_guy's HD Set Up

it all depends on how experienced you are watching video and how big is your tv.

to the untrained eye, on a small tv, maybe there is not much difference.
but on a big tv, say 42'''''' it is very easy to see the difference.
some hdtvs do a very good upscaling job as well.

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David_E · David_E's HD Set Up

they don't look like bluray. they are, however, up scaled to 1080p this process is not without problems.

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classicsat · classicsat's HD Set Up

becasue:

1. dvd has more horizontal resoution than most digital sd tv delivery, and more vertical resolution than analog tv.

2. progressive improves it. upconversion improves it more.

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