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Since the automatic word segmentation of Chinese text will bring the lack of information, method of word segmentation according to lexical chunk as segmentation unit are proposed. Use traditional segmentation method segment Chinese text based calculate mutual information between two lexical entries and adjacent frequency of two or more lexical entries, according to this calculated value judge and...
According to the characteristic of the Chinese speech, we propose a method of retrieving the Chinese speech based on wavelet transform in this paper. At first we preprocess the data in the warehouse to provide the high quality speech data. And then we divided the speech samples into subsections and pick up the character of them. Finally, based on the Euclid distance of scale parts, we retrieve the...
High error rate in speech recognition is largely due to effects of phone local mismatch caused by unclear speaking or noises. In this paper, we propose an approach of using local mismatch phone to improve the reliability of confidence measure. The features of local mismatch phone can be extracted from the recognition phone sequence by computing occurrence frequency of each phone and comparing with...
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