Next Generation - Super Hi-Vision

mburke

Interesting article for the replacement of HD in a few years:


http://news.bbc.co.uk/1/hi/technology/7617702.stm

watty

How can you replace something that hardly exists?

mburke

Very good point Watty, totally agree.

Fat_Fingers

Hehehehe, Watty you should be stand up comedian...
very valid point!

HarryD

Reminds me of
High Frequency -> Very HF -> Ultra HF -> Stop the naive names

But I guess the human eye can only catch so much, so doesn't really apply here.

Mayo Exile

You can only go so far with HD resolution until you get to the human eye's limit of visual acuity! Actually what is the eye's ability if you were speaking in terms of the resolution of a TV set? Is it 5000, 10,000 lines etc?

watty

It depends on distance to TV, not lines on their own. For 90% of people a 32" WS (576 lines) at their current living room viewing distance is at limit of acuity. This limit varies a lot between people. The USA uses only 480 lines and bigger TVs, thus HD is much more noticeable upgrade for most viewers even at 37" to 48" as the "ideal" size for 480 lines is about 24" to 28" rather than 32" here. Even on 29" 4:3 the US TV looks a lot "grainer" than European TV (480 vs 576 lines)

Thus HD is about having a x2 to x3 bigger screen. (54" to 72"), not about better pictures on a 37" WS screen.

Unless your entire wall (100" to 150") is a screen, there is no point to higher resolution.

I'll be getting a projector with multiple masks on a roller and motorised Zoom lens that will give:
29" approx 4:3 and 35.5" 16:9 WS (same zoom)
48" approx WS masked to 2.35:1 for Cinemascope WS on Anamorphic 16:9 frame
72" 16:9 WS also with mask for 4:3 Cinema and 2.35:1 cinema.
The black mask material on two rollers in front of 72" WS with SIX different size windows cut in it.
Three levels of zoom (2.1:1), small for SD 4:3/16:9 and Medium for SD 2.35:1 and large for HD.

The suitable 3 chip projectors have dropped from over $21,000 to under $3,000. I'll wait a while more and get a BD player maybe PS3 at same time. Compare prices of 48" and bigger TVs which look stupid with SD content.

Also material needs Framed/Zoomed for HD, not just simply in HD format, so HD shot "safely" for SD is not very compelling as close-ups are too close and panoramic shots are not panoramic enough. For a VERY long time the only worthwhile HD content will be 2.35:1 made for Cinema more than DVD release films and specialist HD only channels rather than content intended for HD and regular channel.

A 60" screen in club or pub may not need HD as you are likely twice the distance (=detail half size) from it as at home.

weehamster

That format is design for "jumbo vision" screens and not for home TV's. It also come with an audio system called 22.2 that for some reason I don't think will be popular with the wife. :rolleyes:

Onikage

Fascinating stuff (especially Watty wanting a PS3 ) but why is this in the Terrestrial forum and not, for example, HE Video Displays & Projectors?

TVDX

watty wrote: »

For a VERY long time the only worthwhile HD content will be 2.35:1 made for Cinema more than DVD release films and specialist HD only channels rather than content intended for HD and regular channel.

This is your opinion of course. In my opinion there is plenty of "worthwhile" content available.

MACHEAD

weehamster wrote: »

That format is design for "jumbo vision" screens and not for home TV's. It also come with an audio system called 22.2 that for some reason I don't think will be popular with the wife. :rolleyes:

Thanks for that diagram Wee Hamster, all those speakers! maybe this will be a little more leverage for me to keep my lovely old pair of 15" bass drivers in the living room. (Here's hoping!)