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Radio broadcasting has been used in the United States since the early 1920s to distribute news and entertainment to a national audience. In 1923, 1 percent of U.S. households owned at least one radio receiver, while a majority did by 1931 and 75 percent did by 1937. [1][2] It was the first electronic "mass medium" technology, and its ...
A soundbar, sound bar or media bar is a type of loudspeaker that projects audio from a wide enclosure. It is much wider than it is tall, partly for acoustic reasons, and partly so it can be mounted above or below a display device (e.g. above a computer monitor or under a home theater or television screen). In a soundbar, multiple speakers are ...
Nielsen Media Research (NMR) is an American firm that measures media audiences, including television, radio, theatre, films (via the AMC Theatres MAP program), and newspapers. Headquartered in New York City, it is best known for the Nielsen ratings, an audience measurement system of television viewership that for years has been the deciding ...
RAJAR collects information on behalf of over 300 BBC and Ofcom-licensed commercial radio stations, ranging from very small local services to the national networks.Station listening by time, duration, platform (AM/FM, DAB, online/app, and DTV) and location (in car, at home, at work, or elsewhere) is recorded and published on a quarterly basis.
Audacy, Inc. is an American broadcasting company based in Philadelphia, Pennsylvania. Founded in 1968 as Entercom Communications Corp., it is the second largest radio company in the United States, owning over 220 radio stations across 47 media markets. [3] In November 2017, the company merged with CBS Radio. The transaction was structured as an ...
Radio advertisement. In the United States, commercial radio stations make most of their revenue by selling airtime to be used for running radio advertisements. These advertisements are the result of a business or a service providing a valuable consideration, usually money, in exchange for the station airing their commercial or mentioning them ...
The initial portion has five chapters: "Sound & Stories," "Fairness," "Writing for Broadcast," "Reporting," and "Field of Producing." The latter part includes chapters about the directing, editing, and production processes and making commentary. The final chapter discusses changes in the radio process due to the introduction of digital technology.
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication. To prevent interference between different users, the generation and transmission of radio ...