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System for suppressing passing tire hiss

  • US 8,027,833 B2
  • Filed: 05/09/2005
  • Issued: 09/27/2011
  • Est. Priority Date: 05/09/2005
  • Status: Active Grant
First Claim
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1. A system for suppressing passing tire hiss noise from a signal, comprising:

  • a noise detector that detects and models a passing tire hiss from an input signal; and

    a noise attenuator electrically connected to the noise detector to attenuate at least a portion of the passing tire hiss from the input signal;

    where the noise detector is configured to identify whether the input signal includes the passing tire hiss by fitting a smoothly varying function to a portion of the input signal.

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