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Re: If current DVD's are not in HD, why does one need progressive scan output?

Posted by Alpha on 04/10/06 05:53

"R Sweeney" <DockScience@yahoo.com> wrote in message
news:4umdnbCNjvQwSaTZnZ2dnUVZ_sydnZ2d@comcast.com...
>
> "Paul L" <pstudy@netzero.net> wrote in message
> news:Hr0_f.9483$4L1.1906@newssvr11.news.prodigy.com...
>> Isn't S-video output good enough for current DVD's? Why component
>> progressive scan?
>
> several reasons... the NTSC encoding of color information is low res, so
> even moving to a separate luminance / color phase modulation (S-Video)
> still looses most of the color information.
>
> To retain 100% of the picture information contained in the MPEG-2 digital
> encoding, you need component.
>
> To improve the image quality frame-to-frame, you need to undo the
> pull-down coding and recode in progressive, preferably with inter-frame
> interpolation - Faroudja style.

Oppo DVD players incorporate this algorithm.

>
> Thus the need for progressive output.
>

 

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