Electric muting circuit

Details Electric muting circuit Electric muting circuit

1997-07-25

1999-06-22

Lee, Ping

Electrical audio signal processing systems and devices

Noise or distortion suppression

Soft switching, muting, or noise gating

330284, 381104, H04B 1500

Patent

active

059150300

ABSTRACT:
An electric muting circuit for soft muting of an audio signal is shown. It comprises a digitally controllable attenuation circuit having an audio signal input, an audio signal output and a control signal input and also comprises an up/down counter having a clock pulse input fed with clock pulses to be counted, a counting control input fed with a counting control signal controlling counting start and counting stop, and a count signal output from which a digital count signal is available and which a digital count signal input of the attenuation circuit.

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patent: 5696830 (1997-12-01), Chahabadi et al.
patent: 5717726 (1998-02-01), Herrmann et al.

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