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Speech synthesis apparatus and method

  • US 20020065659A1
  • Filed: 11/07/2001
  • Published: 05/30/2002
  • Est. Priority Date: 11/29/2000
  • Status: Abandoned Application
First Claim
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1. A speech synthesis apparatus for synthesizing a speech in accordance with text data inputted therein, comprising:

  • text storage means for storing a plurality of recorded text data elements therein;

    speech portion storage means for storing a plurality of recorded speech portions respectively corresponding to said recorded text data elements therein;

    speech segment storage means for storing a plurality of speech segments;

    text inputting means for inputting said text data;

    judging means for disassembling said text data inputted by said text inputting means into a plurality of text data elements, judging whether or not said text data elements are identical to any one of said recorded text data elements stored in said text storage means one text data element after another;

    dividing means for dividing said text data elements into two text portions consisting of a recorded text portion including recorded text data elements identical to said text data elements stored in said text storage means and a non-recorded text portion including non-recorded text data elements identical to said text data elements not stored in said text storage means on the basis of the results made by said judging means;

    recorded speech loading means for inputting said recorded text portion including said recorded text data elements identical to said text data elements divided by said dividing means, and selectively loading recorded speech portions respectively corresponding to said recorded text data elements of said recorded text portion from among recorded speech portions stored in said speech portion storage means;

    speech synthesizing means for inputting said non-recorded text portion including said non-recorded text data elements identical to said text data elements divided by said dividing means, and synthesizing said speech segments stored in said speech segment storage means in accordance with said non-recorded text data elements of said non-recorded text portion to generate synthesized speech portions;

    reverberation property imparting means for imparting reverberation properties identical to those of said recorded speech portions stored in said speech portion storage means to said synthesized speech portions generated by said speech synthesizing means so as to construct synthesized speech portions with said reverberation properties;

    speech overlapping means for overlapping said recorded speech portions loaded by said recorded speech loading means and said synthesized speech portions with said reverberation properties constructed by said reverberation property imparting means to generate said speech consisting of said recorded speech portions and said synthesized speech portions with reverberation properties; and

    speech outputting means for outputting said speech consisting of said recorded speech portions and said synthesized speech portions with reverberation properties.

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