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3840 × 2160 was chosen as the resolution of the UHDTV1 format defined in SMPTE ST 2036-1, [38] as well as the 4K UHDTV system defined in ITU-R BT.2020 [39] [40] and the UHD-1 broadcast standard from DVB. [41] It is also the minimum resolution requirement for CEA's definition of an Ultra HD display. [42]
Radeon HD 5850 Sep 30, 2009: Cypress PRO 725 725 1000 1000 1440:72:32 23.2 52.2 1024 2048 2088 417.6 27 151 259 Radeon HD 5870 Sep 23, 2009: Cypress XT 850 850 1200 1200 1600:80:32 27.2 68.0 153.6 2720 544 188 228 379 Radeon HD 5870 Eyefinity Edition [c] [40] Mar 11, 2010: 850 1200 2048 228 479 Radeon HD 5970 Nov 18, 2009: Hemlock 2154×2: 334 ...
On June 29, 2016, NBC affiliate WRAL-TV in Raleigh, North Carolina, a station known for its pioneering roles in testing the original DTV standards, launched an experimental ATSC 3.0 channel carrying the station's programming in 1080p, as well as a 4K demo loop. [22] Structure/ATSC 3.0 System Layers [23] Bootstrap: System Discovery and Signalling
The terms "4K" and "Ultra HD" are used more widely in marketing than "2160p". While typically referring to motion pictures, some digital camera vendors have used the term "4K photo" for still photographs, making it appear like an especially high resolution even though 3840×2160 pixels equal approximately 8.3 megapixels, which is not considered ...
Both the Blu-ray Disc format and the now-discontinued HD DVD format include the H.264/AVC High Profile as one of three mandatory video compression formats. The Digital Video Broadcast project ( DVB ) approved the use of H.264/AVC for broadcast television in late 2004.
[104] 4K video can be played from supported streaming services and Ultra HD Blu-ray Disc, however, since Xbox One S is a first-generation Ultra HD Blu-ray player, it cannot output the dynamic HDR10+ or Dolby Vision metadata from a disc encoded with either or both formats (such discs play only in standard HDR10.) [105] [106] [107] Games are ...