Volume controller

Details Volume controller Volume controller

2007-02-27

2007-02-27

Swerdlow, Daniel (Department: 2615)

Electrical audio signal processing systems and devices

Vehicle

C381S107000

Reexamination Certificate

active

09986695

ABSTRACT:
A volume controller for controlling volume balance between a front speaker and a rear speaker located within a vehicle, includes a fade volume computing unit for computing an amplifying factor k1of an input signal for providing an increased volume at the rear or front speaker by the volume at a prescribed position within the vehicle which is equal to an decreased volume in the front or rear speaker when a signal supplied to the front or rear speaker is attenuated by an attenuating factor K1; and a control unit for multiplying the signal supplied to the rear or front speaker by k1when a signal supplied to the front or rear speaker is attenuated by K1. In this configuration, a volume controller can form an acoustic field with a sense of realism when volume adjustment is preformed in a to-and-fro direction.

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patent: 5983087 (1999-11-01), Milne et al.
patent: 6721428 (2004-04-01), Allred et al.

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