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HDR10 is supported by a wide variety of companies, which include monitor and TV manufacturers such as Dell, LG, Samsung, Sharp, VU, Sony, and Vizio, [8] [9] as well as Sony Interactive Entertainment, Microsoft and Apple which support HDR10 on their PlayStation 4, Xbox One video game console and Apple TV platforms, respectively.
[6] [15] Some formats are royalty-free and others require a license. The formats vary in their capabilities. Dolby Vision and HDR10+ include dynamic metadata while HDR10 and HLG do not. [6] The dynamic metadata are used to improve image quality on limited displays that are not capable of reproducing an HDR video to its fullest intended extent.
[7] [8] ITU specifies the use of PQ or HLG as transfer functions for HDR-TV. [7] PQ is the basis of HDR video formats (such as Dolby Vision, [2] [9] HDR10 [10] and HDR10+ [11]) and is also used for HDR still picture formats. [12] [13] PQ is not backward compatible with the BT.1886 EOTF (i.e. the gamma curve of SDR), while HLG is compatible.
After newer 4K versions of the Apple TV were released, Apple continued to sell the fourth-generation model as an entry-level option, rebranding it as the Apple TV HD in March 2019. [ 45 ] [ 46 ] On October 18, 2022, the Apple TV HD was discontinued after seven years on the market after the release of the 4K third-generation model.
On June 26, 2013, Sharp announced the LC-70UD1U, which is a 70 in (180 cm) 4K Ultra HD TV. [134] [135] The LC-70UD1U is the world's first TV with THX 4K certification. [134] [135] On July 2, 2013, Jimmy Kimmel Live! recorded in 4K Ultra HD a performance by musical guest Karmin, and the video clip was used as demonstration material at Sony ...
The difference is that whilst D1 has a 4:3 aspect ratio 960H has a 16:9 widescreen aspect ratio. The extra pixels are used to form the increased area to the sides of the D1 image. The pixel density of 960H is identical to standard D1 resolution so it does not give any improvement in image quality, merely a wider aspect ratio.
By late 2014, 4K content was becoming more widely available online, including on Apple TV, YouTube, Netflix, Hulu, and Amazon. [48] [49] By 2013, some UHDTV models were available to general consumers in the range of US$600. [50] [51] As of 2015, prices on smaller computer and television panels had dropped below US$400. [52]
Dolby Vision is a set of technologies developed by Dolby Laboratories for high dynamic range (HDR) video. [1] [2] [3] It covers content creation, distribution, and playback.[1] [4] [5] [6] It includes dynamic metadata that define the aspect ratio and adjust the picture based on a display's capabilities on a per-shot or even per-frame basis, optimizing the presentation.