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Print 22 comment(s) - last by Reclaimer77.. on Jan 8 at 12:26 PM

Dolby has found a way to use the full gamut of colors, local contrast and peak brightness

Dolby unveiled a new TV technology today with the goal of offering a picture that mimicked what the human eye sees, and that technology is called "Dolby Vision." 

Dolby Vision is supposed to offer brightness, contrast and colors in a way that no other television has been able to accomplish before. Dolby said that it threw traditional TV and cinema color-grading standards out the window, since they're based on old technologies, and has found a way to use the full gamut of colors, local contrast and peak brightness.

Today, video is created using a reference peak brightness level, and the unit of measurement is called‎ a "nit." Old TV displays had an average peak brightness of 100 nits, and that’s still the same reference level used today (although TVs today tend to take that signal and expand it to match their own peak brightness typically between 400–500 nits). But making the picture too much brighter will cause it to fall apart.

What Dolby found is that this peak brightness of 100 nits was far too small. The human eye is capable of seeing a wide range of brightness, from 1.6 billion nits while the sun is up at noon to .0001 nits when there's nothing but starlight. The 100 nits just wasn't covering it, as this number tends to only allow bright colors or dark colors to pop out in detail, but never both.

Dolby fixed this by building a 1080p, liquid-cooled experimental display with a backlight made up of 18,000 RGB LEDs and a peak brightness of 4,000 nits. This is huge, since standard reference displays use around 4,500 RGB LEDs and as we know, only 100 nits.

 

[SOURCE: Dolby]
 
This change in rules made the company able to color grade footage with a much wider range and improved contrast.

"The creative community is thrilled to have an expanded color palette and the added contrast so that viewers can see details that might have previously gone unnoticed," said Roland Vlaicu, Senior Director, Broadcast Imaging, Dolby Laboratories. "Meanwhile, TV manufacturers can offer consumers a dramatically improved video experience, regardless of screen size or viewing distance." 

Dolby Vision's technology covers the whole deal from the mastering process to the actual displays. The company said it has already signed on with hardware makers Sharp, TCL and Vizio for Dolby Vision-packed TVs.

In addition, content providers like Netflix, Amazon Instant Video, Microsoft’s Xbox Video and Vudu have all agreed to offer Dolby Vision-specific content. TV shows and movies will have to be graded for the Dolby Vision format specifically, but Dolby is already taking care of that by offering reference displays and software plugins to companies. 

Dolby Vision TVs are expected to be ready to hit the market by holiday season 2014 (which is also when major Hollywood studios should have films equipped for Dolby Vision). A few prototypes are hanging around at the Consumer Electronics Show (CES) 2014 this week. 
 

Source: Dolby



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RE: Dolby and their gimmicks
By Reclaimer77 on 1/6/2014 9:54:03 PM , Rating: 2
So when I read 4,000 nits and "liquid cooled", I'm picturing some horribly inefficient power hog of a TV. Move over Energy Star rating lol.


RE: Dolby and their gimmicks
By Solandri on 1/7/2014 2:41:09 AM , Rating: 4
I don't think this is meant for a consumer TV. I think it's meant as a reference standard. They're saying that current references are based on ancient display technologies which couldn't get very bright. They came up with a new reference which although needs ludicrous equipment today, should serve as a good reference for brightness and gamut well into the future.

I just want those RGB LEDs in regular TVs and monitors...


RE: Dolby and their gimmicks
By Dorkyman on 1/7/2014 1:07:02 PM , Rating: 1
Hey, Dolby, what a load of horse manure. Wow, you've re-invented TV.

I'm sure consumers are just frothing at the bit to buy a display that requires the use of sunglasses for beach or snow scenes, just like in real life.


RE: Dolby and their gimmicks
By RapidDissent on 1/7/2014 2:38:50 PM , Rating: 2
This is a top to bottom solution, just like Dolby Surround...
quote:
TV manufacturers can offer consumers a dramatically improved video experience

Also, note the partnerships with Netflix, Vudu, Xbox Video, etc. These are to provide the customer with the content which will take advantage of their system.


RE: Dolby and their gimmicks
By Alexvrb on 1/7/2014 11:43:28 PM , Rating: 2
Solandri was replying to the post talking about the 4000 nit liquid-cooled reference "TV". He was pointing out THAT particular display wasn't intended for the consumer.

He clearly wasn't saying that the "Dolby Vision" program didn't have elements that covered the consumer-facing products.


RE: Dolby and their gimmicks
By DallasGreenie on 1/7/2014 5:22:35 PM , Rating: 2
This Dolby proposal is just silliness designed to support a flagging stock and company in disarray. Dolby doesn't build anything anymore, their only income is from licensing - in many cases licensing technology that can be replaced by open-source solutions. This "brightness" increase has come from a company called Brightstar. Dolby's track record at packaging and marketing outside technologies has been very poor - witness DVD-Audio, a technology developed by Meridian.

The elephant in the room? Dolby can't suspend the laws of physics. A 4000 nit brightness television will use over 30 times the electricity of a standard TV! Governments around the world have spent decades getting televisions, huge electricity users, into low power usage. In one step Dolby proposes a technology that will require construction of new power plants around the world?

With so many of Dolby's technologies built on "data reduction", they're being "Moore's Law'd" out of existence.

Never gonna happen.


RE: Dolby and their gimmicks
By Reclaimer77 on 1/7/2014 10:06:17 PM , Rating: 1
quote:
A 4000 nit brightness television will use over 30 times the electricity of a standard TV!


That's what I was thinking.

Not that I'm one of these energy Nazi's mind you, but this technology would make a pretty significant dent in your electricity budget. And I'm not sure the gains would be worth it.

quote:
In one step Dolby proposes a technology that will require construction of new power plants around the world?


LOL now that's progress, right!?


RE: Dolby and their gimmicks
By Alexvrb on 1/7/2014 11:52:43 PM , Rating: 3
They're not saying put these 4000 nit power monsters in every home. They're putting these units into the hands of content creators, who use them as reference 4000 nit displays. As opposed to a reference 100 nit unit. In no way does this imply that you're going to be running displays in your home that are nearly an order of magnitude brighter any time soon.


RE: Dolby and their gimmicks
By Reclaimer77 on 1/8/2014 12:26:03 PM , Rating: 2
Dolby is using the word "consumer". If they don't intend this technology to be used in the living room, they need to be more clear. Because right now they are speaking of this as a consumer device.


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