Noise cancellation

Details Noise cancellation Noise cancellation

H - Electricity

04

B

340/72

H04B 3/23 (2006.01)

Patent

CA 1251269

ABSTRACT In a noise cancellation system an adaptive filter produces a noise cancellation signal. The cancellation signal is compensated in response to indications of timing variations. For a linear traversal filter compensating coefficients are provided which combine with, or replace, their respective primary coefficients when a timing variation occurs. Higher order compensating coefficients may be provided for selected taps and a modular structure is adopted thus facilitating implementation in integrated form.

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