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.
The circuit suggested in the figure differentiates the signal from the negative front of a...
This frequency triple oscillator circuit was found in an American publication in 1967. The FET is...
This circuit was originally recommended for an electric oven warning system. However, we can use...