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Noise-dependent postfiltering

  • US 20060116874A1
  • Filed: 10/24/2003
  • Published: 06/01/2006
  • Est. Priority Date: 10/24/2003
  • Status: Abandoned Application
First Claim
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1. A method of filtering a speech signal, the method involving the steps of providing a filter suited for reduction of distortion caused by speech coding;

  • estimating acoustic noise in said speech signal;

    adapting said filter in response to the estimated acoustic noise to obtain an adapted filter; and

    applying said adapted filter to said speech signal so as to reduce acoustic noise and distortion caused by speech coding in said speech signal.

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