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2. Low-definition television - Wikipedia

   en.wikipedia.org/wiki/Low-definition_television

   Low-definition television (LDTV) refers to TV systems that have a lower screen resolution than standard-definition television systems. The term is usually used in reference to digital television, in particular when broadcasting at the same (or similar) resolution as low-definition analog television systems. Mobile DTV systems usually transmit ...

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

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

   The event was simultaneously shown via satellite at a reception attended by members of congress, the FCC and members of the industry in Washington, DC. This telecast was also the first commercial HD broadcast in the state of Texas. [4] The first major sporting event broadcast nationwide in HD was Super Bowl XXXIV, broadcast by ABC on January 30 ...

4. Test card - Wikipedia

   en.wikipedia.org/wiki/Test_card

   Test card. SMPTE color bars: common NTSC test pattern. PM5544: common PAL test pattern. EBU colour bars (4:3) A test card, also known as a test pattern or start-up/closedown test, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at sign-on and sign-off). [1]

5. ESPNews - Wikipedia

   en.wikipedia.org/wiki/ESPNews

   On May 20, 2012, ESPNEWS switched the presentation of its standard definition feed from 4:3 to a downscaled widescreen letterbox version of the HD feed, becoming the last ESPN network with a HD companion channel to make the conversion to a full-widescreen presentation. ESPNEWS HD was added to Dish Network on March 18, 2014, as part of a new ...

6. Philips circle pattern - Wikipedia

   en.wikipedia.org/wiki/Philips_circle_pattern

   The Philips circle pattern (also referred to as the Philips pattern or PTV Circle pattern) refers to a family of related electronically generated complex television station colour test cards. The content and layout of the original colour circle pattern was designed by Danish engineer Finn Hendil [da] (1939–2011) [1] in the Philips TV & Test ...

7. List of United States over-the-air television networks

   en.wikipedia.org/wiki/List_of_United_States_over...

   Fox (1986) the CW (2006) PBS (1970) The five major commercial English-language broadcast television networks with the non-commercial network PBS. Univision (1962) Telemundo (1984) Estrella TV (2009) The three major commercial Spanish-language broadcast television networks. In the United States, for most of the history of broadcasting, there ...

8. Standard-definition television - Wikipedia

   en.wikipedia.org/wiki/Standard-definition_television

   Standard-definition television. Standard-definition television (SDTV; also standard definition or SD) is a television system that uses a resolution that is not considered to be either high or enhanced definition. [1] Standard refers to offering a similar resolution to the analog broadcast systems used when it was introduced. [1][2]

9. Bloomberg Television - Wikipedia

   en.wikipedia.org/wiki/Bloomberg_Television

   As of July 2014, Bloomberg Television's standard-definition feed now shows a down-scaled version of its native HD feed, with the 16:9 letterbox picture on its 4:3 SD feed. In May 2020, the network launched a 2160p 4K feed, using the larger screen space to communicate more news and information; it is currently exclusive to Samsung TV Plus, an ad ...