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This is the resolution of the UHDTV1 format defined in SMPTE ST 2036–1, [15] as well as the 4K UHDTV format defined by ITU-R in Rec. 2020, [16] and is also the minimum resolution for CEA's definition of Ultra HD displays and projectors. [21] The resolution of 3840 × 2160 was also chosen by the DVB project for their 4K broadcasting standard ...
The resolution 3840 × 2160, sometimes referred to as 4K UHD or 4K × 2K, has a 16:9 aspect ratio and 8,294,400 pixels. It is double the size of Full HD ( 1920 × 1080 ) in both dimensions for a total of four times as many pixels, and triple the size of HD ( 1280 × 720 ) in both dimensions for a total of nine times as many pixels.
This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g., red indicates a 4:3 ratio).
Ultra-Wide 4K Commonly used on Ultra HD Blu-ray discs. [citation needed] 3840×1600 (6,144k) 3840 1600 6,144,000 12:5 24 bpp QWXGA+ [3] Quad Wide Extended Graphics Array Plus Used on MacBook Pro with Retina display (15.4"). Double the resolution of the previous 1440×900 standard in each dimension. 2880×1800 (5,184k) 2880 1800 5,184,000 16:10 ...
1366×768 †, 1920×1080, 2560x1440, 3840x2160 (4K UHD) The default aspect ratio for HDTV and modern computer displays. 256:135 (1.8 962:1) 4096×2160 The Digital Cinema Initiatives standard for 4K resolution; specification created in 2005 but not widely sold until 2014–15 [8] [9] 64:27 (2. 370:1) 2560×1080, 3440×1440
Bliss, originally titled Bucolic Green Hills, is the default wallpaper of Microsoft's Windows XP operating system. It is a photograph of a green rolling hills and daytime sky with cirrus clouds . Charles O'Rear , a former National Geographic photographer, took the photo in January 1998 near the Napa – Sonoma county line, California, after a ...
"21:9" ("twenty-one by nine" or "twenty-one to nine") is a consumer electronics (CE) marketing term to describe the ultrawide aspect ratio of 64:27 (2. 370:1 or 21. 3:9), designed to show films recorded in CinemaScope and equivalent modern anamorphic formats.
On July 3, 2013, Sony announced the release of their 4K Ultra HD Media Player with a price of US$7.99 for rentals and US$29.99 for purchases. [137] [138] The 4K Ultra HD Media Player only worked with Sony's 4K Ultra HD TVs. [138] On July 15, 2013, the CTA published CTA-861-F, a standard that applies to interfaces such as DVI, HDMI, and LVDS. [139]