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  2. High-definition television in the United States - Wikipedia

    en.wikipedia.org/wiki/High-definition_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 .

  3. High-definition television - Wikipedia

    en.wikipedia.org/wiki/High-definition_television

    The term high definition once described a series of television systems first announced in 1933 [1] and launched starting in August 1936; [5] however, these systems were only high definition when compared to earlier systems that were based on mechanical systems with as few as 30 lines of resolution. The ongoing competition between companies and ...

  4. List of United States pay television channels - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States_pay...

    The following is a list of pay television networks or channels broadcasting or receivable in the United States, organized by broadcast area and genre.. Some television providers use one or more channel slots for east/west feeds, high definition services, secondary audio programming and access to video on demand.

  5. List of HD channels in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/List_of_HD_channels_in_the...

    ITV2 HD: ITV Digital Channels Ltd (ITV plc) 7 October 2010 ITV3 HD: 15 November 2010 ITV4 HD: ITVBe HD: 19 November 2014 La Liga TV HD Independent Premier Media S.à.r.l. 13 January 2020 LFCTV HD: Liverpool F.C. 28 October 2014 Loveworld TV HD Loveworld Ltd 13 August 2019 More4 HD: Simulcast Channel Four Television Corporation 4 February 2013 ...

  6. Digital television in the United States - Wikipedia

    en.wikipedia.org/wiki/Digital_television_in_the...

    High definition—1080p (only used by a few cable operators and some terrestrial stations broadcast in 1080p) Most digital television sets sold in the U.S. use a display with a 16:9 aspect ratio to optimally display HDTV-formatted content. Lower-resolution sources like regular DVDs may be upscaled to the native resolution of the TV.

  7. Category:High-definition television - Wikipedia

    en.wikipedia.org/wiki/Category:High-definition...

    This category includes broadcasters, technology and any media related to/derived from High-definition television. It is not a direct derivate of Category:Digital television , since analogue HDTV exists (see Analog high-definition television systems for instance).

  8. High-definition television transition - Wikipedia

    en.wikipedia.org/wiki/High-definition_television...

    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.

  9. Voom HD Networks - Wikipedia

    en.wikipedia.org/wiki/Voom_HD_Networks

    Voom HD Networks was a suite of 25 original high-definition television channels owned by AMC Networks.The channels were produced in Crystal Clear Hi-Definition with Dolby Digital 5.1 Surround Sound and were the largest suite of HD channels in the world [1] as part of a 15-year agreement between AMC Networks and Dish Network.

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