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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]
Until the development of portable people meters, Arbitron (Nielsen's predecessor in the radio measurement business) did not have the capability to measure individual airings of a program the way Nielsen Ratings can for television, and as such, it only measures in three-month moving averages each month. Portable people meters are currently only ...
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. Dr. Cohen's idea lay dormant until 1992, when Dr. Richard Schlunt and Dr. Patrick Nunally approached Arbitron.
KSFO's Arbitron ratings rose from 2.2 in spring to 2.8 and 11th in the San Francisco market in summer 1996. [67] Even with 1996 being an election year, KSFO's ratings declined to 2.4 in fall 1996 and 2.2 in the winter. [68] However, KSFO broke into the top 10 of the San Francisco Arbitron ratings by summer 1997 with a 3.2. [69]
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In the practice of measuring the size of US commercial broadcasting and newspaper audiences, cume, short for "cumulative audience", is a measure of the total number of unique consumers over a specified period.
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Margins matter. The more Arbitron (NYS: ARB) keeps of each buck it earns in revenue, the more money it has to invest in growth, fund new strategic plans, or (gasp!) distribute to shareholders.