Radiocontrol in Switzerland

Knut Hackbarth, Manual Dahler and Matthias Steinmann

Switzerland is the first and, as of now, only country in which radio listening is not established by interviews but rather electronically.

Radiocontrol in Switzerland

The first country to measure radio listening electronically

Matthias SteinmannSwiss Broadcasting CorporationManuel DahlerSwiss Broadcasting CorporationandKnut HackbarthIHA-GfM

TECHNOLOGY

The technological main issue of the Radiocontrol system consists of a wristwatch with an additional function. A built-in microphone regularly records the ambient sound around the test persons carrying the watch, i.e. at home, out of home, at work, etc. minute by minute. After an analog-digital conversion, a microchip inside the watch reduces the recorded short sound clips by a factor of 120. What is left is a digital sound pattern, a sort of...

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