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In November 2013, YouTube began to use the VP9 video compression standard, saying that it was more suitable for 4K than High Efficiency Video Coding (HEVC). Google, which owns YouTube, developed VP9. [78] Theaters began projecting movies at 4K resolution in 2011. [80] Sony was offering 4K projectors as early as 2004. [81]
The CTA-861-F standard adds support for several Ultra HD video formats and additional color spaces. [139] On September 2, 2013 Acer announced the first smartphone, dubbed Liquid S2, capable of recording 4K video. [140] On September 4, 2013, the HDMI Forum released the HDMI 2.0 specification, which supports 4K resolution at 60 fps. [141]
FHD (Full HD) is the resolution 1920 × 1080 used by the 1080p and 1080i HDTV video formats. It has a 16:9 aspect ratio and 2,073,600 total pixels, i.e. very close to 2 megapixels, and is exactly 50% larger than 720p HD ( 1280 × 720 ) in each dimension for a total of 2.25 times as many pixels.
High-definition television (HDTV) in the United States was introduced in 1998 and has since become increasingly popular and dominant in the television market. Hundreds of HD channels are available in millions of homes and businesses both terrestrially and via subscription services such as satellite, cable and IPTV.
UHD Phase A is a set of guidelines from the Ultra HD Forum for the distribution of SDR and HDR content using Full HD 1080p and 4K UHD resolutions. It requires a color depth of 10 bits per sample, a color gamut of Rec. 709 or Rec. 2020, a frame rate of up to 60 fps, a display resolution of 1080p or 2160p and either standard dynamic range (SDR ...
High-definition video (HD video) is video of higher resolution and quality than standard-definition. While there is no standardized meaning for high-definition , generally any video image with considerably more than 480 vertical scan lines (North America) or 576 vertical lines (Europe) is considered high-definition.
As of 2016, the world uses 1080p as the mainstream HD standard. However, there is a rapid increase in media content being released in 4K and even 5K resolution. Online streaming services such as Netflix and Amazon Prime Video launched videos in 4K resolution in 2014 [3] and are actively expanding their collection of videos in 4K resolution. As ...
This article needs to be updated. Please help update this article to reflect recent events or newly available information. (August 2022) The following tables compare general and technical information for a number of current, notable video hosting services. Please see the individual products' articles for further information. General information Basic general information about the hosts ...