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Speech recognition system and method which permits a speaker's utterance to be recognized using a hidden markov model with subsequent calculation reduction
Speech recognition system and method which permits a speaker's utterance to be recognized using a hidden markov model with subsequent calculation reduction
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机译:语音识别系统和方法,允许使用隐藏的马尔可夫模型识别讲话者的话语,并减少随后的计算
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摘要
A sound analyzer sound analyzes an input speech signal to obtain feature vectors. A matrix quantizer performs a matrix quantization process between the feature vectors obtained by the sound analyzer and a phonetic segment dictionary prepared in phonetic segment units to obtain a phonetic segment similarity sequence. A PS-phoneme integrating section integrates the phonetic segment similarity sequence into a phonemic feature vector. A HMM recognizer checks the phonemic feature vector using a HMM prepared in certain units, to thereby perform a recognition process.
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