View Full Version : Question about HD DVD
guada
30th May 2004, 12:13
hello,
To keep really HD DVD benefits (1080p "progressive") are you obliged to have a high-resolution sreen (wall sreens)?
Graphical cards future would they really lighten the processor power (less than 3ghz and 512mo or not)?
Thanks for your answers.
The Belgain
1st June 2004, 14:11
Well, HD-DVD will be an improvement on normal DVD on any screens which have higher res tham current DVD. This HD will not really be any better than standard def DVDs on normal TVs. On projectors and plasmas though (as well as PC monitors), there is a big improvement. Of course, you can play HD-DVDs on any type of display device, so it will work on normal TVs.
As for decoding requirements, the next-gen graphics cards are supposed to help, but so far none actually do any of the decoding for any formats other than MPEG2. Time will tell if this changes. On my XP3200+, 1080p decoding works fine without any dropped frames for both MPEG2, WM9, and XviD. I suspect it wouldn't for h.264 though.
bill_baroud
1st June 2004, 18:39
I don't think you will see the difference with a video projector, because they are like 1024x768 XGA and depending on the screen(wall) and the ambiant luminosity, the quality can really vary.
On a true HDTV display, you should see the difference though :)
guada
1st June 2004, 19:47
hello, :):)
I think that it's very interesting to make the difference between high resolution sreen (HDTV), and video projector too.
Your explaination Bill is true. :)
Another question:
what did the difference between 1920*1080 and 1440*1080 (ratio 1.77)resolution from a 1080p?
I saw this on dvd Scooby doo 2 / dvd Speed but i doesn't found explanations.
Bye.
bill_baroud
1st June 2004, 20:14
it's anamorphic encoding just like on DVD ... it would need to much bits to encode at this resolution, so the horizontal resolution (which doesn't matter as the vertical resolution) is reduced a bit, but it's stretched back to the correct aspect ratio on display.
guada
1st June 2004, 20:42
Well, well, well, it's that
Thanks Bill ;)
The Belgain
1st June 2004, 20:48
I don't think you will see the difference with a video projector, because they are like 1024x768 XGA and depending on the screen(wall) and the ambiant luminosity, the quality can really vary. On a true HDTV display, you should see the difference though
Um... projectors are the best thing for home theater watching. The budget models are lower res, but for around the £1000 mark, you can get *good* LCD projectors that have 1280x720 native res (eg. the Panasonic AE500, Sanyo Z2, ...), and these will give you a much nicer picture than any rear projection TV (in terms of detail), or plasmas (will be better in terms of colour and contrast, and at least as good for detail).
And CRT projectors are even better than those (I'm running a Barco CRT projector that will theoretically do upto 1600x1200 (though the actual effective res is somewhat lower than that)).
HDTV is massively better looking than standard DVD on a well setup projector (it even looks nicer on reasonably cheap ones under a grand that do "1/4 HD" 960x540 res).
guada
1st June 2004, 21:20
hello belgain, :)
A question about your explaination, what is your favourite video projector? name, model, and price
Soulhunter
1st June 2004, 21:25
Dream... LCD (http://www.digitalconnection.com/products/LCD/243t.asp) & Projector (http://catalogs.infocommiq.com/AVCAT/CTL172/index.cfm/mlc_id/172/SID/11690185/pin_id/1642/ProdID/320358/T3/954.htm) !!!
The Belgain
1st June 2004, 22:02
I'm not really all that knowledgeable on projectors. At the moment I have a Barco Graphics BG800 (which i'm selling actually, if anyone's UK-based and interested - it's got very low tube hours and is in perfect condition (PM me... sorry for the shameless plug)), which is a CRT projector with 8" tubes. I was very surprised with the picture quality, which was much better than I was hoping for.
As for LCD/DLP models, I don't know which ones are best. I think the Infocus X1 is very well regarded as a very low budget option (SVGA), then the Sanyo Z1 / Panasonic AE300 in the next pricebracket (540p widescreen projectors), and then things like the Sanyo Z2 / Panasonic AE500 in the 720p widescreen pricebracket. I'm sure others know better than me though. Of course the LCD/DLP models still aren't up to the quality levels of the CRTs...
Anyway, I'd highly recommend projectors over plasma displays: much bigger picture, generally better picture quality, and considerably cheaper.... main drawback is running them in ambient lighting ain't too hot...
guada
1st June 2004, 22:12
Ok, i see.
I think it's a good thing to defend your ideas. good Belgain :)
"Soul" you want to kill me.
Great your search ;)
Bye
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