System and method for utterance verification of chinese long and short keywords
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United States of America Patent
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Issued Date -
Apr 6, 2006
app pub date -
Jan 9, 2001
filing date -
Jan 10, 2000
priority date (Note) -
Abandoned
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Abstract
An utterance verification system and method includes: a new formulation of log-likelihood ratio (LLR) that discriminates between true and mis-recognition scores; a new dynamic threshold setting that permits each keyword to have its own individual threshold; and/or use of higher resolution subword units for HMM based (Hidden Markov Model-based) utterance verification. The system and method are especially suited for automated processing of speech of syllable-based languages, for example, Chinese (for example, Mandarin or Cantonese).
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