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Method and apparatus for speech analysis and synthesis using lattice ladder notch filters

  • US 5,940,791 A
  • Filed: 05/09/1997
  • Issued: 08/17/1999
  • Est. Priority Date: 05/09/1997
  • Status: Expired due to Fees
First Claim
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1. A speech analyzer for speech segmented into a plurality of speech frames comprising:

  • means for determining filter zeros and covariances from a speech frame, and means for calculating a set of gains for an LLN filter which match said filter zeros and covariances so that as said LLN filter is excited by a selected signal said speech frame is regenerated.

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