Posted by Marty on 01/24/06 00:46

Somewhere around Mon, 23 Jan 2006 15:10:29 -0600, while reading
rec.video.dvd.players, I think I thought I saw this post from willbill
<trek@worldwide.net>:

>Jack Dotson wrote:
>
>> <manitou910@rogers.com> wrote
><snip>
>
>>> In the meantime, a decent HDTV display is well worth
>>> the price if you have a progressive scan DVD player.
>
>
>> Why a progressive scan? This is something I've been
>> trying to figure out.
>
>
>me too!
>
>
>> I've read regardless of the format input to my Hitachi HDTV,
>> it converts it to 720p, it's max resolution.
>>
>> I have a progressive scan DVDP (Sony DVP NS999ES), but I actually
>> get better results when I feed my set 480i vice 480p.
>>
>> Because of this I was also curious if the upconverting DVDP
>> would be worth while.
>
>
>is an "upconverting DVDP" a DVD Player?
>
>if yes, are they hard to find? how much
>more do they cost than a normal DVD player?
>
>
>> If I understand correctly they upconvert 480i/p to 720p or 1080i.
>> Since the set does this too, what good are these for HDTV's?
>>
>> What am I missing?
>
>
>maybe the answer is simple? but so far,
>i think the answer is buried somewhere in
>the complex subject of video/TV interlacing,
>and afaik you need to start there
>
>even if the answer re a progessive scan DVD
>player is simple, you're likely going to need
>some background on interlacing to understand it.
>see: http://neuron2.net/LVG/default.htm
>
>also, you refer to your HD TV's 720p
>capability (above)
>
>afaik, DVD players only send out 480i
>
Yes, but to play it on an HDTV, you need to upconvert it. You can do that
either at the DVD player, or at the TV. Now, if you normally connect the
DVD player to the TV via analog cables (component, S-video, etc), then you
are converting the digital signal to analog, then converting back to digital
in the TV. A better way would be to leave it in the digital domain, convert
it to HDTV digital, then send it to be used directly by the TV.

--
Marty - public.forums (at) gmail (dot) com
"Those are my principles, and if you don't like them...
well, I have others." - Groucho Marx

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