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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 .
High-definition image sources include terrestrial broadcast, direct broadcast satellite, digital cable, IPTV, Blu-ray video disc (BD), and internet downloads. In the US, residents in the line of sight of television station broadcast antennas can receive free, over-the-air programming with a television set with an ATSC tuner via a TV aerial .
The CEA definition does allow manufacturers to use other terms—such as 4K—alongside the Ultra HD logo.: 9 Since the resolution in CEA's definition is only a minimum requirement, displays with higher resolutions such as 4096 × 2160 or 5120 × 2880 also qualify as "Ultra HD" displays, provided they meet the other requirements.
HiDef. HiDef (short for high definition ), also called 24p, is a 24 frames-per-second digital video format for high- resolution capture of motion pictures. The 24 refers to the frame rate (24 frames/second) and the p stands for progressive scanning (as opposed to interlaced scanning ). [1] As of 2003, there are two 24p HD formats: Sony 24p and ...
In November 2007, the Toshiba HD-A2 was the first high-definition player to be sold at a sale price of less than $100. This was done through several major retailers to make room for the new HD-A3 models. These closeout sales lasted less than a day each due to both limited quantities and high demand at that price point.
The Consumer Electronics Associationannounced on October 17, 2012, that "Ultra High Definition", or "Ultra HD", would be used for displays that have an aspect ratioof 16:9 or wider and at least one digital input capable of carrying and presenting native video at a minimum resolution of 3840 × 2160.
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. [citation needed] 480 scan ...
Live: In the Round, in Your Face is a live video from Def Leppard. The video contains a full Def Leppard live show at the McNichols Sports Arena in Denver, Colorado and additional footage from shows at The Omni in Atlanta, Georgia, compiled from footage shot during the band's 1987/1988 US Hysteria World Tour. On DVD, it is bundled with Historia .
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