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RECOGNITION OF SYLLABLE-CONTRACTED WORDS IN SPONTANEOUS SPEECH USING WORD EXPANSION AND DURATION INFORMATION
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In: http://isca-speech.org/archive_open/archive_papers/iscslp2008/225.pdf
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Abstract:
This paper presents a graphical model-based approach to syllable-contracted (SC) word recognition of spontaneous Mandarin speech. Phone deletion and pronunciation reduction are two major effects for the syllable-contracted words in spontaneous speech. In this study, the syllablecontracted (SC) words selected from a collected corpus are used for pronunciation lexicon expansion to deal with the phone deletion problem. The duration information of SC words is then incorporated to cover the effect of pronunciation reduction. The graphical model is employed mployed to rescore all possible word sequences, including uding the he expanded SC words, to obtain the final word sequence. In the experimental results, the Mandarin n Conversional ona Dialogue Corpus (MCDC) was used to evaluate luate the proposed method. Compared with the he previous ous work, a satisfactory improvement on the performance of the proposed approach can be achieved. ed. Index Terms — syllable contraction, ontraction, duration information, graphical model, spontaneous us speech
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URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.391.9982
http://isca-speech.org/archive_open/archive_papers/iscslp2008/225.pdf
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