Dual range audio level control

Details Dual range audio level control Dual range audio level control

1983-02-01

1984-08-14

Pellinen, A. D.

Electrical audio signal processing systems and devices

Including frequency control

Automatic tone control

455267, 333 28T, 330126, H03G 514, H04B 116

Patent

active

044661185

ABSTRACT:
A circuit providing a known change in a parameter of a function without interfering with the basic operation of the function is utilized in an audio circuit "loudness contour" control. Bass and treble controls function independently of the volume setting while desired contours are obtained at each volume control setting.

REFERENCES:
patent: 3700811 (1972-10-01), Davidson
patent: 3849601 (1974-11-01), Goncharoff
patent: 3875334 (1975-04-01), Hilbert et al.
patent: 4227048 (1980-10-01), Nagata
patent: 4292467 (1981-09-01), Odlen et al.
patent: 4320534 (1982-03-01), Sakai et al.

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