/PRNewswire-FirstCall/ -- Arbitron Inc. (NYSE:ARB) announced today that it has commercialized its Portable People Meter(TM) radio ratings service in four new local markets.
Arbitron has released radio audience estimates for the December 2008 PPM(TM) survey month (November 21-December 17) to its subscribers in Dallas-Ft. Worth, Atlanta, Washington DC and Detroit.
Effective today, the PPM radio audience estimates for these markets should be used as the basis for buy/sell transactions of radio commercial time among subscribing stations, agencies and advertisers. In addition, audience estimates from the October and November PPM survey months, which Arbitron had previously released as "pre-currency" information, are now designated as "currency" data. The Summer 2008 diary-based radio audience report (June 26-September 17) is no longer deemed "currency" for buy/sell transactions.
PPM audience estimates are now the buy/sell "currency" in 14 local markets: New York, Los Angeles, Chicago, San Francisco, Dallas-Ft. Worth, Houston, Atlanta, Philadelphia, Washington DC, Detroit, Nassau-Suffolk, Middlesex-Somerset-Union, Riverside-San Bernardino and San Jose. These markets account for 51.7 percent of the estimated radio station revenue in the top 50 radio markets.
In April 2009, Arbitron plans to commercialize the PPM radio ratings service in Boston with the release of the March PPM survey report (March 5-April 1.)
About the Portable People Meter
The Arbitron Portable People Meter service uses a passive audience measurement device -- about the size of a small cell phone -- to track consumer exposure to media and entertainment, including broadcast, cable and satellite television; terrestrial, satellite and online radio as well as cinema advertising and many types of place-based electronic media. Carried throughout the day by randomly selected survey participants, the PPM device can track when and where they watch television, listen to radio as well as how they interact with other forms of media and entertainment.
The PPM detects inaudible codes embedded in the audio portion of media and entertainment content delivered by broadcasters, content providers and distributors. At the end of the day, the meter is placed in a docking station that extracts the codes and sends them to a central computer. The PPM is equipped with a motion sensor, a patented quality control feature unique to the system, which allows Arbitron to confirm the compliance of the PPM survey participants every day.
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