Hushed, rapid-read of TOH; Who are they trying to fool?

Listening to KGY 95.3/Olympia this afternoon. At the top of the hour, an announcer tears through the call letters KYYO and the HD channel KGY operates through on the translator being used for over the air broadcasts. All barely audible, like the disclaimers at the end of the pharmaceutical ads.

The Nielsen Portable People Meter (PPM) ratings method measures audience exposure to media by detecting inaudible audio codes embedded in broadcasts, rather than relying on listeners manually reporting their habits as in the older diary method. Top-of-the-hour station identification—where a station announces its call letters, frequency, and sometimes location—has traditionally been a regulatory requirement and a branding moment for radio stations. With PPM, its direct effect on ratings is tied to how it interacts with the technology and listener behavior.

PPM devices pick up encoded signals continuously, logging exposure whenever a panelist is within range of a broadcast, regardless of whether they consciously note the station ID. The top-of-the-hour ID itself doesn’t inherently boost ratings unless it coincides with factors that increase detectability or retention of the signal—like clearer audio, higher volume, or a listener’s sustained attention. For instance, if the ID is paired with a jingle or distinctive sound that enhances the psychoacoustic masking of the code, it might improve detection by the PPM. However, there’s no definitive public data from Nielsen showing that the ID alone significantly alters ratings.

Listeners will listen regardless of the fact that th broadcast is carried on a side-channel of an FM station, if Oldies music on radio is what they choose to listen to.

Just a pet peeve that thousands of us have with methods radio programmers use to influence listeners.Terrestrial radio has bigger issues than TOH masking.