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Microphone array signal enhancement

  • US 20030206640A1
  • Filed: 05/02/2002
  • Published: 11/06/2003
  • Est. Priority Date: 05/02/2002
  • Status: Active Grant
First Claim
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1. An audio enhancement system, comprising:

  • an adaptive filter that filters an input signal, at least in part, upon a plurality of adaptive coefficients, the adaptive filter modifying at least one of the plurality of adaptive coefficients based, at least in part, upon a feedback output, the adaptive filter providing a quality enhanced output; and

    , a feedback component that provides the feedback output based, at least in part, upon a non-linear function of the quality enhanced output.

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