System and method for controlling audio output

Details System and method for controlling audio output System and method for controlling audio output

2006-09-19

2006-09-19

Grier, Laura A. (Department: 2615)

Electrical audio signal processing systems and devices

Including amplitude or volume control

With amplitude compression/expansion

C381S104000, C381S107000, C381S058000

Reexamination Certificate

active

07110559

ABSTRACT:
The invention concerns a method (300) and system (100) for controlling audio output. The method includes the steps of inputting (312) an audio signal and a voltage level signal, measuring (314) the audio signal and the voltage level signal, mapping (316) the audio signal against at least one table (134) of predetermined corresponding gain targets (138) and selecting (318) at least one gain target for the audio signal. The mapping step and the selecting step are based at least in part on the measurement of the voltage level signal and the measurement of the audio signal. The method also includes the step of applying (320) the gain target to the audio signal.

REFERENCES:
patent: 5892834 (1999-04-01), Smart et al.
patent: 6373340 (2002-04-01), Shashoua
patent: 6765436 (2004-07-01), Melanson et al.
patent: 2003/0044028 (2003-03-01), Cranfill et al.

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