Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent
1994-01-31
1995-12-12
Brinich, Stephen
Electrical audio signal processing systems and devices
Acoustical noise or sound cancellation
Adjacent ear
381 94, H03B 2900
Patent
active
054757614
ABSTRACT:
An active control system for multiple interacting channels to control a constant noise or vibration consisting of first and second sensor means adapted to provide reference and residual signals respectively, a first and second filter means and first and second subtraction means to provide first and second output control signals and means for combining said output signals.
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Brinich Stephen
Noise Cancellation Technologies, Inc.
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