Active acoustic control system matching model reference

Details Active acoustic control system matching model reference Active acoustic control system matching model reference

1993-02-11

1995-01-31

Isen, Forester W.

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

G10K 1116

Patent

active

053864778

ABSTRACT:
An acoustic system (20) includes a model reference (22) having a selectably programmable response, and an active model (24) including in combination an acoustic path (26) and an adaptive filter (28) such that the combination of the acoustic path (26) and the adaptive filter (28) adaptively models the model reference (22) such that the combined response of the acoustic path (26) and the adaptive filter (28) provides an active model response matching the response of the model reference (22).

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"Recursive Algorithms For Active Noise Control", L. Eriksson, International Symposium on Active Control of Sound and Vibration, Tokyo, Japan, Apr. 9-11, 1991, pp. 137-146.

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