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The digital transition in the United States was the switchover from analog to exclusively digital broadcasting of terrestrial television programming. According to David Rehr, then president and CEO of the National Association of Broadcasters, this transition represented "the most significant advancement of television technology since color TV was introduced."
Digital television transition. The digital television transition, also called the digital switchover ( DSO ), the analogue switch/sign-off ( ASO ), the digital migration, or the analogue shutdown, is the process in which older analogue television broadcasting technology is converted to and replaced by digital television.
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 .
Return of high definition Channel 95, part of Nine's metropolitan DVB-T multiplex, was vacated after Your Money was closed down on 17 May 2019. An MPEG-4 HD feed of 9Gem was first broadcast in Darwin on 14 June 2019 on channel 95, then in Perth, Brisbane and Adelaide on 19 June 2019, followed by Sydney and Melbourne on 20 June 2019. [10]
MGM HD was removed from the Comcast Xfinity channel lineup in February 2019. The network was removed from Verizon FiOS at the start of 2021, while Dish removed it on August 31, 2022. On October 25, it was confirmed that Amazon would shut down MGM HD on October 31; its assets were merged onto sister service Epix , which re-branded as MGM+ on ...
Computer memory and Computer data storage types. A hard disk drive ( HDD ), hard disk, hard drive, or fixed disk [a] is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material.
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 ...
The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts ...