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SPEECH SYNTHESIS SYSTEM, SPEECH SYNTHESIS METHOD AND SPEECH SYNTHESIS PROGRAM

  • US 20130325477A1
  • Filed: 02/17/2012
  • Published: 12/05/2013
  • Est. Priority Date: 02/22/2011
  • Status: Abandoned Application
First Claim
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1. A speech synthesis system comprising:

  • a training database storing training data which comprises a set of features extracted from speech waveform data;

    a feature space division unit which divides a feature space which comprises a space concerning to the training data which said training database stores into partial spaces;

    a sparse or dense state detection unit which detects a sparse or dense state to each partial space which comprises the feature space divided by said feature space division unit, generates sparse or dense information which comprises information indicating the sparse or dense state and outputs the sparse or dense information; and

    a pronunciation information correcting unit which corrects pronunciation information which is used for speech synthesis based on the sparse or dense information outputted from said sparse or dense state detection unit.

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