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Active Noise Cancellation Using a Predictive Approach

  • US 20090136052A1
  • Filed: 11/27/2007
  • Published: 05/28/2009
  • Est. Priority Date: 11/27/2007
  • Status: Abandoned Application
First Claim
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1. A method of active noise cancellation in a volume comprising:

  • generating a mathematical model of a noise process to be cancelled;

    constructing an extrapolated noise signal from the mathematical model;

    inverting the extrapolated signal;

    applying the inverted signal to the volume; and

    canceling the noise in the volume using the applied signal.

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