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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.
HDR10+ is an alternative to Dolby Vision, which also uses dynamic metadata. [3] HDR10+ is the default variant of dynamic metadata as part of the HDMI 2.1 standard. [4] HDR10+ Adaptive is an update designed to optimize HDR10+ content according to the ambient light. [5]
There are a number of different HDR formats, including HDR10, HDR10+, Dolby Vision, and HLG. HDR10 is the most common format and is supported by all HDR TVs. Dolby Vision is a more advanced format that offers some additional features, such as scene-by-scene mastering. HDR10+ is a newer format that is similar to Dolby Vision but is royalty-free.
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.
Widevine is a proprietary digital rights management (DRM) system that is included in most major web browsers and in the operating systems Android and iOS.It is used by streaming services such as Netflix, Amazon Prime, Hulu etc., to allow authorized users to view media while preventing them from creating unauthorized copies.
It was developed by Dolby [6] and standardized in 2014 by SMPTE [1] and also in 2016 by ITU in Rec. 2100. [ 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.
Xbox One since 2019 using the optional downloadable Wireless Display app. [6] Windows Phone 8.1. [30] BlackBerry 10 devices since update 10.2.1 in 2013 (as of March 2015, the BlackBerry Q10, Q5, Z30, and later models support Miracast streaming). [61] Ubuntu Touch-powered Meizu Pro 5 supported Miracast in OTA-11. [62]
Netflix started rolling out the first major revamp of its television app in a decade on Thursday, testing changes designed to help viewers more quickly decide what they want to watch. Company ...