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The British 405-line system A, unlike all the other systems, suppressed the upper sideband rather than the lower—befitting its status as the oldest operating television system to survive into the color era (although was never officially broadcast with color encoding). System A was tested with all three color standards, and production ...
Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, ... In a broadcast system, ...
The U.S. public broadcasting system differs from such systems in other countries, in that the principal public television and radio broadcasters – the Public Broadcasting Service (PBS) and National Public Radio (NPR), respectively – operate as separate entities. Some of the funding comes from community support to hundreds of public radio ...
In Britain this system was known as Electrophone, and was available as early as 1895 or 1899 [sources vary] and up until 1926. [4] In Hungary, it was called Telefon Hírmondó [1893-1920s], and in France, Théâtrophone [1890-1932]). By the 1950s, virtually every country had a broadcasting system, typically one owned and operated by the government.
The following outline is provided as an overview of and topical guide to television broadcasting: Television broadcasting: form of broadcasting in which a television signal is transmitted by radio waves from a terrestrial (Earth based) transmitter of a television station to TV receivers having an antenna.
The National Broadcasting Company began regular broadcasting in 1926, with telephone links between New York and other Eastern cities. NBC became the dominant radio network, splitting into Red and Blue networks. [4] Despite the power shift, AT&T maintained the ability to share patents with Westinghouse, GE, and RCA.
In countries where most networks broadcast identical, centrally originated content to all of their stations, and where most individual television transmitters therefore operate only as large "repeater stations", the terms "television network", "television channel" (a numeric identifier or radio frequency) and "television station" have become mostly interchangeable in everyday language, with ...
From the 1950s to the 1980s, during the network era of American television, there were three commercial broadcast television networks – NBC (the National Broadcasting Company, "the Peacock Network"), CBS (the Columbia Broadcasting System, "the Eye Network"), ABC (the American Broadcasting Company, "the Alphabet Network") – that due to their longevity and ratings success are informally ...