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The transition to high-definition television is a process by which standard-definition (SD) television signals are upgraded to a high-definition (HD) format. [1] In this process, channels usually either simulcast their HD signals alongside the existing SD signals or broadcast exclusively in HD.
The switch-off was noticed by few, since the overwhelming majority receive TV via cable and only around 74,000 households relied on terrestrial over-the-air broadcasts. [2] The switch-off was helped greatly as cable continued to use analog distribution, and thus consumers' old tuners continued to be useful.
June 12, 2009 – final hours of analog broadcast on WWL-TV gave information about website and telephone number for more information about transition.. The digital television transition in the United States was the switchover from analog to exclusively digital broadcasting of terrestrial television programming.
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.
Digital television (DTV) is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals. ...
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Mexico began converting to ATSC in 2013; [30] a full transition was scheduled for December 31, 2015, [9] but due to technical and economic issues for some transmitters, the full transition was extended to December 31, 2016. Saint Lucia opened on Saint Lucia on ATSC on March 5, 2024. Trinidad and Tobago will convert to ATSC 3.0 instead of ATSC 1 ...
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