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In terms of CIE 1931 color space, the Rec. 2020 (UHDTV) color space which can reproduce colors that cannot be shown with the current Rec.

UHDTV allows the future use of the new Rec. Specifically, dynamic range and color are greatly enhanced, and these impact saturation and contrast differences that are readily resolved greatly improve the experience of 4KTV compared to HDTV. UHDTV provides other image enhancements in addition to pixel density. One exception is that even if resolution surpasses the resolving ability of the human eye, there is still an improvement in the way the image appears due to higher resolutions reducing spatial aliasing.

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At some home viewing distances and current TV sizes, HD resolution is near the limits of resolution for the eye and increasing resolution to 4K has little perceptual impact, if consumers are beyond the critical distance ( Lechner distance) to appreciate the differences in pixel count between 4K and HD. The human visual system has a limited ability to discern improvements in resolution when picture elements are already small enough or distant enough from the viewer. NHK advertises the 8K UHDTV format with 22.2 surround sound as Super Hi-Vision.Ĭolor space, dynamic range, frame rate and resolution/aliasing

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UHDTV-2 is 7680 pixels wide by 4320 pixels tall (33.18 megapixels), also referred to as 4320p and 8K UHD, which is sixteen times as many pixels as current 1080p HDTV, which brings it closer to the detail level of 15/70 mm IMAX.

The total number of pixels of RGB stripe type is 8.3 mega pixel. Although roughly similar in resolution to 4K digital cinema formats, it should not be confused with other 4K resolutions such as the 4096 × 2160 DCI 4K/ Cinema 4K.

UHDTV-1 is 3840 pixels wide by 2160 pixels tall (8.3 megapixels), which is four times as many pixels as the 1920 × 1080 (2.07 megapixels) of current 1080p HDTV (full HDTV).

2020 and DisplayPort: DisplayID Resolution Technical details Super Hi-Vision/8K Specifications Number of pixels 'Ultra HD' was selected by the Consumer Electronics Association after extensive consumer research, as the term has also been established with the introduction of ' Ultra HD Blu-ray'. In the consumer electronics market companies had previously only used the term 4K at the 2012 CES but that had changed to 'Ultra HD' during CES 2013. In Japan, 8K UHDTV will be known as Super Hi-Vision since Hi-Vision was the term used in Japan for HDTV. Ultra-high-definition television is also known as Ultra HD, UHD, UHDTV and 4K.

6 Field trials of UHDTV over DTT networks.

2.2 Color space, dynamic range, frame rate and resolution/aliasing.

The 'UHD Alliance', an industry consortium of content creators, distributors, and hardware manufacturers, announced during a Consumer Electronics Show (CES) 2016 press conference its 'Ultra HD Premium' specification, which defines resolution, bit depth, color gamut, high dynamic range (HDR) performance required for Ultra HD (UHDTV) content and displays to carry their Ultra HD Premium logo. From just 30 in Q3 2015, the forum published a list up to 55 commercial services available around the world offering 4K resolution.

In 2015, the Ultra HD Forum was created to bring together the end-to-end video production ecosystem to ensure interoperability and produce industry guidelines so that adoption of ultra-high-definition television could accelerate. The Consumer Electronics Association announced on October 17, 2012, that 'Ultra High Definition', or 'Ultra HD', would be used for displays that have an aspect ratio of 16:9 or wider and at least one digital input capable of carrying and presenting native video at a minimum resolution of 3840 × 2160.

It is a digital television (DTV) standard, and the successor to high-definition television (HDTV), which in turn was the successor to standard-definition television (SDTV). These were first proposed by NHK Science & Technology Research Laboratories and later defined and approved by the International Telecommunication Union (ITU). Ultra-high-definition television (also known as Ultra HD television, Ultra HD, UHDTV, UHD and Super Hi-Vision) today includes 4K UHD and 8K UHD, which are two digital video formats with an aspect ratio of 16:9. Both Rec. 2020 and Rec. 709 use Illuminant D65 for the white point. 709 (HDTV) color space in the inner triangle. 2020 (UHDTV) color space in the outer triangle and Rec. Diagram of the CIE 1931 color space that shows the Rec.

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