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Korean is an agglutinative language, in which pronunciations are affected by long-term context. In this paper, the long-time temporal information is investigated to improve Korean LVCSR. TRAP-based MLP features, which are able to utilize the scattered acoustic information over several hundred milliseconds, are employed to obtain additional information besides the conventional cepstral features. In...
In this paper, we propose a method to improve detecting the mispronunciation type of the non-native learners. In order to cope with the low-resource condition of non-native speech and the difference of native and non-native speech, the following efforts are made: 1) train acoustic model with the low-resource non-native data; 2) introduce the articulatory-based tandem feature; 3) pool auxiliary native...
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