The semi-relaxed algorithm for estimatin
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Li Deng
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Article
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1991
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Elsevier Science
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English
β 489 KB
For hidden Markov model (HMM) based speech recognition where the basic speech unit is smaller than the recognizer's output unit, the standard full Baum-Welch re-estimation procedure for the HMM training is very costly in computation. This is hecause it requires evaluation of the HMM output densities