Thanks Rbinck,
So all the info is there on the dvd (480p)its just divided into two halves,hence all progressive dvd players need a deinterlacer to put the two halves back together again in the 480p format.
So in the future we will see true 480p dvd or will that come in the form of HD DVD?
"But sources which are truly progressive in nature are hard to come by right now. Movies on DVD are decoded by the player as interlaced fields. All of the film's original frames are there, but they are just divided into "halves". What we're going to talk about next is how we take the interlaced content of DVD and recreate the full film frames so we can display them progressively. The term commonly used to restore the progressive image is deinterlacing, though we think it is more correct to call it re-interleaving, which is a subset of deinterlacing."
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