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Speech synthesis using multi-mode coding with a speech segment dictionary

  • US 7,092,878 B1
  • Filed: 08/01/2000
  • Issued: 08/15/2006
  • Est. Priority Date: 08/03/1999
  • Status: Expired due to Fees
First Claim
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1. A speech information processing method of generating a speech segment dictionary for holding a plurality of speech segments, comprising:

  • a first encoding step of encoding a speech segment;

    a calculation step of calculating an encoding distortion produced at said first encoding step;

    a storage step of storing the encoded speech segment encoded in said first encoding step in the speech segment dictionary, in a case where the encoding distortion produced at said first encoding step is less than a predetermined value;

    a second encoding step of encoding the speech segment, in a case where the encoding distortion produced at said first encoding step is not less than the predetermined threshold value; and

    a storing step of storing the encoded speech segment encoded in said second encoding step in the speech segment dictionary.

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