Tone adjusting apparatus for audio signals

Details Tone adjusting apparatus for audio signals Tone adjusting apparatus for audio signals

1993-08-26

1995-02-07

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

H03G 500

Patent

active

053881613

ABSTRACT:
The bass and the treble bands of audio signals are controlled by the respective bass and treble control voltages which have appropriate DC voltage levels. A plurality of voltage compensators is used to preprocess the bass and treble control voltages to be applied to a tone controller wherein the respective bass and treble bands of a given audio signal are adjusted in proportion to the bass and treble control voltages. Each of the voltage compensators selectively increases or decreases the bass and/or treble control voltages to enhance or attenuate the bass and/or treble band of the given audio signal when activated by a switching controller.

REFERENCES:
patent: 3602628 (1971-08-01), Peterson
patent: 5172358 (1992-12-01), Kimura

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