Adelstein believes that minority listeners are not being accurately sampled, which threatens media diversity.
New York, Los Angeles, Chicago and San Francisco join Philadelphia and Houston as PPM markets in the top ten radio metros.
The city voted to ask the FCC to investigate the PPM as a viable ratings method.
The user-controlled, Web-based, telephone wakeup and reminder service is designed to improve compliance by increasing the day-to-day contacts between the PPM respondents and Arbitron's ongoing panel relations efforts
Arbitron notes it has been working with the Media Rating Council to achieve MRC accreditation for the PPM in all Arbitron markets
The Spanish Radio Association has concerns about accurate audience measurements being captured with the Arbitron Portable People Meter
WNYZ-LP broadcasts on the audio portion of a low-power TV station on VHF channel 6 and will use the custom data collected by the PPM to gauge its success.
Arbitron has introduced a personal home page system for Portable People Meter survey participants designed to track reward points and encourage panelists to carry the meter every waking hour.
In January, the Media Ratings Council (MRC) denied accreditation of the Aribitron Portable People Meter (PPM) system in Philadelphia and New York.
Arbitron and Media Monitors have signed an agreement that allows Media Monitors to link Arbitron PPM minute level audience data with Media Monitors airplay information in a new service called Audience Response.
Entercom Communications has signed a multi-year contract for Arbitron Portable People Meter radio ratings services.
Arbitron will delay the commercialization of its Portable People Meter (PPM) radio ratings service in nine markets. New York, Nassau-Suffolk and Middlesex-Somerset-Union will be delayed by nine months
Cumulus Media has signed a multi-year agreement for the Aribitron Portable People Meter ratings services for 33 stations in eight markets.
Clear Channel Radio has signed a multi-year agreement for the Aribtron Portable People Meter radio ratings services in 46 markets $when those services are rolled out by Arbitron.
The radio industry in Denmark has selected the Arbitron Portable People Meter (PPM) system as its electronic audience measurement system.
Arbitron released the first so-called currency radio ratings from the Philadelphia Portable People Meter (PPM) radio ratings service.
Clear Channel has agreed to join the Arbitron Portable People Meter (PPM) rating service in Philadelphia.
Arbitron has released the first pre-currency monthly audience estimates for Philadelphia produced by the Portable People Meter (PPM) ratings service.
In March 2006, Arbitron decided to wait until it received MRC accreditation for the PPM radio ratings service in Houston before it would discontinue the diaries and make the PPM the main radio ratings service in Houston.
Radio One has agreed to encode its radio stations in Philadelphia and Los Angeles for the Arbitron Portable People Meter (PPM) audience measurement services.
Interep has signed an agreement for Arbitron Portable People Meter radio ratings services in the top 50 radio markets when Arbitron commercializes the PPM.
Arbitron has revised its Portable People Meter (PPM) roll-out timetable in an effort to deploy the service quicker to the Top 50 markets
Buckley Radio, a Top 50 radio broadcasting company that owns 20 stations and the WOR Radio Network, will begin using the Portable People Meter (PPM) for audience measurement in a multi-year agreement with Arbitron for its audience measurement services.
Arbitron is field testing an audio matching capability to add to the Portable People Meter (PPM) electronic ratings system that would allow the PPM to track audiences to radio stations that choose not to encode their signals.
It is hoped that the PPM will level the ratings playing field by having the unique ability to take into account virtually all forms of media, including those originating from Internet streaming, digital satellite, cable and background sources, as well as traditional over-the-air radio and TV broadcasting.