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Method and apparatus to detect and remove audio disturbances

  • US 20050226431A1
  • Filed: 04/07/2004
  • Published: 10/13/2005
  • Est. Priority Date: 04/07/2004
  • Status: Active Grant
First Claim
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1. A method for processing an audio signal, comprising operations of:

  • receiving a signal composed of a harmonic portion and a disturbance portion;

    reducing an amplitude associated with the harmonic portion of the audio signal;

    decreasing a sampling rate of the audio signal having the reduced amplitude of the harmonic portion;

    identifying a type of signal sequence associated with the disturbance portion of the audio signal; and

    modifying the disturbance portion according to the type of the signal sequence.

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