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Speech recognition method and system using compressed speech data

  • US 6,003,004 A
  • Filed: 01/08/1998
  • Issued: 12/14/1999
  • Est. Priority Date: 01/08/1998
  • Status: Expired due to Term
First Claim
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1. A method for recognizing a spoken word, the method comprising the steps of:

  • receiving compressed speech data that has been compressed using linear prediction coding (LPC) techniques;

    extracting at least one set of LPC parameters from said compressed speech data without completely decompressing said compressed speech data;

    calculating at least one recognition feature from said at least one set of LPC parameters; and

    utilizing said at least one recognition feature and at least one previously stored recognition feature to recognize the spoken word.

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