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Formants extracting method

  • US 20050075864A1
  • Filed: 10/06/2004
  • Published: 04/07/2005
  • Est. Priority Date: 10/06/2003
  • Status: Active Grant
First Claim
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1. A formants extracting method, comprising:

  • obtaining a maximum value in a spectrum;

    judging whether the number of formants corresponding to a zero at a maximum point are two; and

    analyzing a root by roots polishing when the number of formants are judged as two.

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