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The total listenership for terrestrial radio in the United States as of January 2017 was 256 million, [8] up from 230 million in 2005. [9] Of the 121 million listeners in markets served by portable people meters in 2021, an average of 7.5 million are listening to a radio at any given time, up slightly from 2020.
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 on air.
In an effort to improve the accuracy of radio ratings, Arbitron and Nielsen Media Research are testing a "portable people meter" (PPM) for radio. This new device to be clipped to an individual's clothing. Radio stations encode an inaudible, unique signal as part of their broadcasts.
A radio format aims to reach a more or less specific audience according to a certain type of programming, which can be thematic or general, more informative or more musical, among other possibilities. [nb 1] Radio formats are often used as a marketing tool and are subject to frequent changes, [3] including temporary changes called "stunting."
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 ...
The audience measurement of U.S. television has relied on sampling to obtain estimated audience sizes in which advertisers determine the value of such acquisitions. . According to The Television Will Be Revolutionized, Amanda D. Lotz writes that during the 1960s and 1970s, Nielsen introduced the Storage Instantaneous Audimeter, a device that sent daily viewing information to the company's ...
Media buying refers to the procurement of advertising on mediums such as a television, newspapers, commercial radio, magazines, websites, mobile apps, over-the-top media services, out-of-home advertising etc. It also includes price negotiation and the appropriate placement of ads based on research to reach the right audiences considering the ...
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.