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Nielsen Audio (formerly Arbitron) is a consumer research company in the United States that collects listener data on radio broadcasting audiences. It was founded as the American Research Bureau by Jim Seiler in 1949 and became national by merging with Los Angeles –based Coffin, Cooper, and Clay in the early 1950s. [ 2 ]
The company subsequently expanded into radio market analysis in the late 1930s, culminating in the Nielsen Radio Index in 1942, [14] which was meant to provide statistics as to the markets of radio shows. The first Nielsen ratings for radio programs were released the first week of December 1947.
The A.C. Nielsen company, which continues to measure television ratings today, took over American radio's ratings beginning with the 1949–50 radio season and ending in 1955–56. [40] During this era, nearly all of radio's most popular programs were broadcast on one of three networks: NBC Red, NBC Blue, or CBS' Columbia network.
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A preliminary investigation was undertaken, but the technology was never given serious consideration. The concept was written off and forgotten, as Arbitron had larger issues in its competition with the Nielsen Company for television ratings. After losing to Nielsen Company, Arbitron went back to its core business—radio ratings.
Time spent listening (TSL) is one of the measurements surveyed by Nielsen Audio in determining ratings for radio stations in the United States.It is the equivalent of Average Time Exposed (ATE), Daily or Weekly.
The Nielsen Audio ratings measure listener share among stations. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Mail ...
Founded in 1934 by Claude E. Hooper (1898–1954), the company provided information on the most popular radio shows of the era. Claude E. Hooper became well known for his radio audience measurement systems, Hooper Ratings or "Hooperatings". [1] [2] Before beginning work in radio measurement, Hooper was an auditor of magazine circulation. [3]