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SPEECH SYNTHESIZER, AND SPEECH SYNTHESIS METHOD AND COMPUTER PROGRAM PRODUCT

  • US 20170162186A1
  • Filed: 02/16/2017
  • Published: 06/08/2017
  • Est. Priority Date: 09/19/2014
  • Status: Active Grant
First Claim
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1. A speech synthesizer comprising:

  • a statistical-model sequence generator, implemented in computer hardware, configured to generate, based at least in part on context information corresponding to an input text, a statistical model sequence that comprises a first sequence of a statistical model comprising a plurality of states;

    a multiple-acoustic feature parameter sequence generator, implemented in computer hardware, configured to, for each speech section corresponding to each state of the statistical model sequence, select a first plurality of acoustic feature parameters from a first set of acoustic feature parameters extracted from a first speech waveform stored in a speech database and generate a multiple-acoustic feature parameter sequence that comprises a sequence of the first plurality of acoustic feature parameters; and

    a waveform generator, implemented in computer hardware, configured to generate a distribution sequence based at least in part on the multiple-acoustic feature parameter sequence and generate a second speech waveform based at least in part on a second set of acoustic feature parameters generated based at least in part on the distribution sequence.

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