Posted by Jack Dotson on 01/24/06 01:37

"Marty" <this.address@is.invalid> wrote in message
news:c2uat19ano1lj0rui9kvrshr0tb8p29420@4ax.com...
> 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

So if I had a digital HDMI or DVI connection to my TV from a 480i DVDP then
it would be unconverted at the set and no real advantage to have a
upconverting DVDP? Therefore, it's the digital connection that's more
important.

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