Monitoring, testing and operator controlling of active noise and

Details Monitoring, testing and operator controlling of active noise and Monitoring, testing and operator controlling of active noise and

1988-02-24

1989-08-29

Ng, Jin F.

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

381 94, H03B 2900, H04B 1500

Patent

active

048625060

ABSTRACT:
A monitoring capability may be provided integral with or separate from a vibration cancellation system to monitor or display input and output signals and transfer functions as well as spectral waveforms. Testing is performed by monitoring and displaying the input and generating appropriate test signals while further monitoring and displaying the input. The ability to modify the characteristics of the vibration cancellation system is included.

REFERENCES:
patent: 4490841 (1984-12-01), Chaplin et al.
patent: 4501014 (1985-02-01), Bluthgen
patent: 4566118 (1986-01-01), Chaplin et al.
patent: 4611343 (1986-09-01), Rapaich
patent: 4685065 (1987-08-01), Braun et al.
patent: 4689821 (1987-08-01), Salikuddin et al.
patent: 4715559 (1987-12-01), Fuller

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