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Also AM radio or AM. Used interchangeably with kilohertz (kHz) and medium wave. A modulation technique used in electronic communication where the amplitude (signal strength) of the wave is varied in proportion to that of the message signal. Developed in the early 1900s, this technique is most commonly used for transmitting an audio signal via a radio wave measured in kilohertz (kHz). See AM ...
A list of these terms can be found at List of broadcasting terms. [21] Television and radio programs are distributed through radio broadcasting or cable, often both simultaneously. By coding signals and having a cable converter box with decoding equipment in homes, the latter also enables subscription-based channels, pay-tv and pay-per-view ...
See also References External links A advocacy journalism A type of journalism which deliberately adopts a non- objective viewpoint, usually committed to the endorsement of a particular social or political cause, policy, campaign, organization, demographic, or individual. alternative journalism A type of journalism practiced in alternative media, typically by open, participatory, non ...
Continuity (broadcasting) Counterprogramming (television) ... Glossary of broadcasting terms; Government-access television; Graveyard slot; Guest appearance; Guest ...
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.
News broadcasting is the medium of broadcasting various news events and other information via television, radio, or the internet in the field of broadcast journalism. The content is usually either produced locally in a radio studio or television studio newsroom , or by a broadcast network .
Original major radio broadcasting networks in the United States The WEAF and WJZ chains. Following the introduction of radio broadcasting in the early 1920s, the American Telephone and Telegraph Company (AT&T) developed the first radio network, linking together individual stations with specially prepared long-distance telephone lines in what at the time was called a "chain".
For example, an Internet channel may distribute text or music worldwide, while a public address system may broadcast very limited "ad hoc" soundbites to a small population within its range. The main article for this category is Broadcasting .