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]

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Discover how the science of measurement can help you connect with the almost 270 million impassioned consumers who listen to radio every week.

2025年3月25日 · A share is the percentage of those listening to radio in the MSA who are listening to a particular radio station. Average Quarter-Hour Persons (AQH Persons) is the average number of persons listening to a particular station for at …

The Arbitron Radio Station Information Profiles (SIPs) contain information about all radio stations in the United States: current addresses, Station Names (including call letters), broadcast times, frequencies and formats.

Arbitron provides a wide range of ratings and local market consumer qualitative information services to help radio stations, groups and networks understand audiences and grow revenue.

NEW YORK – Sept. 30, 2013 – Nielsen Holdings N.V. (NYSE: NLSN), a leading global provider of information and insights into what consumers watch and buy, today announced that it has successfully completed its acquisition of Arbitron Inc., an …

The Nielsen Radio Station Information Profiles (SIPs) contain information about all radio stations in the United States: current addresses, Station Names (including call letters), broadcast times, frequencies and formats. Nielsen uses this information to credit diary entries and process the data for the local market reports.

ARBITRENDS SM. Early-Notification Ratings Service. Arbitrends delivers monthly updates of radio station listening estimates between quarterly survey periods in all continuously measured markets.

Seiler set out on his own in 1949 and founded the American Research Bureau, which later became Arbitron Ratings Co. and then The Arbitron Company. Initially focused on the Baltimore-Washington, D.C. area, the company eventually spread nationally.