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Acoustic model creation method as well as acoustic model creation apparatus and speech recognition apparatus

  • US 20040236577A1
  • Filed: 03/08/2004
  • Published: 11/25/2004
  • Est. Priority Date: 03/14/2003
  • Status: Active Grant
First Claim
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1. An acoustic model creation method to create a syllabic HMM (Hidden Markov Model) which is an acoustic model, comprising:

  • generating a phoneme HMM set which includes phoneme HMMs corresponding to individual phonemes;

    combining the phoneme HMMs of the phoneme HMM set so as to generate an initial phoneme-connected syllable HMM set which includes initial phoneme-connected syllable HMMs corresponding to individual syllables; and

    training the initial phoneme-connected syllable HMM set, thereby generating a phoneme-connected syllable HMM set being the acoustic model.

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