Nielsen 250

Nielsen used the Radio Show stage to announce plans to update the encoding technology for it PPM ratings service. The company on Oct. 12 will implement the new Critical Band Encoding Technology (CBET) in the Baltimore and Washington, DC markets, where it has been testing the new encoders, before expanding to all PPM markets in November.

During a 30-minute session at the conference, the company released some test results from the two markets. In the controlled test that didn’t impact currency ratings, participating stations using the enhanced encoders experienced an average 15% increase in AQH persons listening.