Noise reduction apparatus

Details Noise reduction apparatus Noise reduction apparatus

2006-03-28

2006-03-28

Lee, Ping (Department: 2644)

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Within cabin or compartment of vehicle

C381S071800

Reexamination Certificate

active

07020288

ABSTRACT:
An active noise control system includes a source unit for generating regenerative signals, an ANC unit for processing signals so as to actively cancel noise, sensors for detecting the information on the inside and outside of a vehicle, a vehicle interior voice discriminating unit for discriminating voice of conversation generated in the vehicle interior, an amplifier for amplifying the signals processed by ANC unit and reproducing transducers for reproducing the signals amplified by the amplifier.

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