Muting control circuit

Details Muting control circuit Muting control circuit

1994-07-11

1996-10-29

Kuntz, Curtis

Electrical audio signal processing systems and devices

Noise or distortion suppression

Interpolation

H04B 1500

Patent

active

055704271

ABSTRACT:
There is substantially provided a muting control circuit in which there is no difference in muting time between the muting utilizing capacitor charging and that utilizing capacitor discharging. A constant current source is in parallel with an external capacitor. The constant current source operates so as to decrease a charging current in the course of charging the external capacitor 20, whereas it operates so as to increase a discharging current in the course of discharging. Therefore, no substantial difference in muting time occurs.

REFERENCES:
patent: 4132953 (1979-01-01), Martin, III
patent: 4914715 (1990-04-01), Miyata

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