This circuit cuts the audio for a few seconds between words, which allows ads to be detected, since this does not occur in music. The circuit is a from Radio Electronics Experimenter from 1989.
Available at Mouser Electronics this component of Diodes Incorporated consists of a voltage...
Found in Radio Electronics this circuit uses a fotodiac to drive a triac. The circuit can use...
The first circuit was suggested by Analog Devices (www.analog.com) in its Application Note AN-411...