If AC Nielsen collects television audiences data, Arbitron collects listener data on radio audiences. It was founded as American Research Bureau by Jim Seiler in 1949 and became bi-coastal by merging with L.A. based Coffin, Cooper and Clay in the early 1950s. ARB’s initial business was the collection of television broadcast ratings exclusively.

ARB changed its name to Arbitron in the mid 1960s. The name came from the Arbitron System that was one of ARB’s products; a central statistical computer with leased lines to viewers’ homes to monitor their activity. Deployed in New York, it gave instant ratings data on what people were watching. A reporting board would light up to indicate what home was listening to what broadcast.

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