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4K resolution hardware will officially be called ultra HD

The Consumer Electronics Association (CEA) has announced the official name for the next generation 4K high-definition display technology: "Ultra High-Definition" or "Ultra HD." According to the CEA, the name is intended to infer the new format's superiority over conventional HDTV.

The CEA Board of Industry Leaders voted unanimously this week to recommend the previously mentioned names for the new next-generation HD resolution. Along with agreeing on a name, the CEA also outlined minimal performance characteristics to help consumers and retailers understand the benefit of the new technology set to begin rolling out this fall.

“Ultra HD is the next natural step forward in display technologies, offering consumers an incredibly immersive viewing experience with outstanding new levels of picture quality,” said Gary Shapiro, president and CEO, CEA. “This new terminology and the recommended attributes will help consumers navigate the marketplace to find the TV that best meets their needs.”

The core characteristics that the CEA agreed on include a minimum display resolution of at least 8 million active pixels with at least 3840 pixels horizontal and at least 2160 vertical pixels.

To meet the minimum needs the display will have to have an aspect ratio of at least 16 x 9. Devices meeting the specifications will also be required to have at least one digital input capable of carrying and presenting native 4K format video at 3840 x 2160 resolution without relying on upconverting.

Source: CE.org





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RE: PC Monitors
By Milliamp on 10/19/2012 12:36:43 PM , Rating: 2
Great, a new version of Blu Ray already. Assuming an average 1080p stream is 5 mb/s 4k is going to need 20mb/s of throughput (not bandwidth).

I guess if there is one positive side to 4k (UHD) it is that there really isn't much/any need for anything after that for home use.


RE: PC Monitors
By kattanna on 10/19/2012 12:48:53 PM , Rating: 2
quote:
I guess if there is one positive side to 4k (UHD) it is that there really isn't much/any need for anything after that for home use.


i heard that from people when 1080 first came out..

LOL


RE: PC Monitors
By geddarkstorm on 10/19/2012 1:01:09 PM , Rating: 3
Why do we buy the mountain? Because it's there.


RE: PC Monitors
By Milliamp on 10/19/2012 2:45:15 PM , Rating: 2
Yes but with 4k (UHD?) you have to be 5 feet away from an 80 inch screen, or 3 feet away from a 60 inch screen to notice based on this article: http://carltonbale.com/does-4k-resolution-matter/

With that said I find the calibration of that diagram pretty questionable. Based on that you have to be 15 feet on a 50" TV before the "full benefit" of 480p is visible. I think for many people these are living room distances and there is a huge difference between 480p and HD even if your eye sight is wonky.

I personally don't think I would notice much difference between 1080p an 4k on my 50" TV but if I replace it with an 80" TV I might or start using one as a PC monitor I might.

If TV manufacturers need something else to set a goal for instead of racing to the bottom in pricing I say go for it. Maybe by the time my kid is old enough to play games he will have a couple of 80" 4k TV's in his game room for his friends to play photo realistic games on. This doesn't serve much purpose for average use but it moves us a little closer to that.


RE: PC Monitors
By MrTeal on 10/19/2012 3:24:44 PM , Rating: 2
quote:
With that said I find the calibration of that diagram pretty questionable. Based on that you have to be 15 feet on a 50" TV before the "full benefit" of 480p is visible. I think for many people these are living room distances and there is a huge difference between 480p and HD even if your eye sight is wonky.


There's a big difference, but I think the benefit of going to a 1080p was exaggerated for most people by all the other changes that were made at the same time. You're changing a lot of variables when you're going from SDTV over analog component cables to a tube TV vs 1080p signal over digital cabling to a 1080p TV.

Try watching a 1080p Youtube video (particularly an animated one that was rendered at hi res like http://www.youtube.com/watch?v=XSGBVzeBUbk) at full resolution, and then change your monitor's resolution to VGA (640x480). The difference you'll see just from the resolution increase isn't nearly as large as you see going from something like SDTV sports to the HD version.

4k is going to be pretty underwhelming, IMO. People will limited on the size of TVs they can use by their room, and the benefit from a 4k display on a 40-50" TV won't be a huge leap from 1080p without other features.


RE: PC Monitors
By Shadowself on 10/19/2012 4:35:04 PM , Rating: 2
The Blu-ray spec is that the video imagery is capped at 40 Mbps with audio capped at 8 Mbps.

The average over a movie with high action sequences (think of things like the recent Avengers movie) in 1080p is likely to be < 20 Mbps (honestly, I haven't checked). However, high action sequences with lots and lots happening in each frame will usually smack up against that 40 Mbps limit for several seconds. For these kinds of movies the post production guys generating the Blu-ray versions spend a lot of time to live within that cap and still have no apparent blocking of the imagery.

If they implement H.265 rather than H.264 and go to this "4K" Ultra HD standard (as different from the Digital Cinema 4K standard) then they'll still need double the bandwidth (H.265 proponents claim that H.265 requires half the bandwidth, on average, as H.264).

Therefore in order for the "next generation of Blu-ray" [or whatever they end up calling it] will need a video bandwidth cap of at least 80 Mbps with a total storage of 100 GB. If they don't go with H.265 but stay with H.264, you need to double that -- 160 Mbps for video and 200 GB for the disc size.

And just so you know, there have been 200 GB working units in labs for over four years and 1 TB versions working units in the labs for almost as long. They just haven't become commercialized because there really was no consumer need for them.

And to just stop any lingering arguments before they start... No, your satellite or cable provider does not deliver Blu-ray quality imagery. The imagery they provide is much more highly compressed. And yes, some people will claim they cannot tell the difference, but that is a personal level thing. It is not that there is no difference or that many people cannot tell the difference.


RE: PC Monitors
By Silver2k7 on 10/20/2012 2:59:49 AM , Rating: 2
There are blu-ray recordable discs with 100GB and 128GB avalible right now with 3 & 4 layers.

The question is will those be used as the new standard for the next generation video players for the home or will there be something else.


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