HDR displays (UHD BluRay, Dolby Vision etc)

[Scott_Arm]

I don't know anything about it really. All I can find is that it's 12bits per colour channel, and it is up to 4000 nits in brightness, with much more fine-grained control of local dimming.

Supposed to be showing at CES, so I'll be interested to see details show up here. Haven't found anything about the colour space, or colour format, encoding etc.

 

[CNCAddict]

http://www.theverge.com/2014/1/6/5276934/dolby-vision-the-future-of-tv-is-really-really-bright

 

[Scott_Arm]

I find the information on Dolby Vision a lot more enticing than 4K. I'd take 1080p with an improvement to pixel quality over 4K.

It sounds like they've written the standard so the content will play fine on regular TVs, which is pretty critical for gaining adoption. No one is going to encode their movies this way if they won't play on all the tvs that are already out there.

 

[Scott_Arm]

I've updated this old thread title because HDR is coming and there are formats other than Dolby Vision.

AMD's new Polaris GPUs will support 10bit HDR and the rec2020 colour space. Now all we need is supporting 4k displays that are either OLED or LCD with fine-grained local-dimming.

Here's a nice summary
http://www.flatpanelshd.com/focus.php?subaction=showfull&id=1435052975

Some really nice posts by @KOF from the AMD Polaris thread
https://forum.beyond3d.com/posts/1890759/
https://forum.beyond3d.com/posts/1890823/

 

[Scott_Arm]

Also, the UHD alliance just settled on their final spec for "Ultra HD Premium" devices, content and mastering.

http://www.businesswire.com/news/ho...Defines-Premium-Home-Entertainment-Experience

The UHD Alliance supports various display technologies and consequently, have defined combinations of parameters to ensure a premium experience across a wide range of devices. In order to receive the UHD Alliance Premium Logo, the device must meet or exceed the following specifications:

• Image Resolution: 3840x2160
• Color Bit Depth: 10-bit signal
• Color Palette (Wide Color Gamut)
  • Signal Input: BT.2020 color representation
  • Display Reproduction: More than 90% of P3 colors
• High Dynamic Range
  • SMPTE ST2084 EOTF
  • A combination of peak brightness and black level either:
    • More than 1000 nits peak brightness and less than 0.05 nits black level
      OR
    • More than 540 nits peak brightness and less than 0.0005 nits black level

 

[Deleted member 13524]

AMD's new Polaris GPUs will support 10bit HDR and the rec2020 colour space.

Well according to the video, current 3xx GPUs will do too, with a driver update (and only available through DP1.2, I guess).

 

[KOF]

For the 3xx series GPUs, AMD has to provide tone-mapping (which they are doing) , as only HDMI 2.0a provides extra metadata to perform tone-mapping on top of base layer. For the same reason, there is no stopping GCN 1.0 consoles to support HDR as HDMI 1.4 already provides up to 16 bits of color depth at 1080p and GCN can have hardware support up to 12 bit.

It's the same method Dolby has used to support 12 bit Dolby Vision over Xbox One.

 

[Rikimaru]

Consoles are GCN 1.1

 

[KOF]

Consoles are GCN 1.1

Sorry.