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Language diarization is the task to perform automatic language segmentation and recognition in a code-switch speech. Towards this task, we developed a conversational Mandarin-English code-switch corpus spoken by Singaporean/Malaysian speakers. We also developed a Singapore accent specific pronunciation dictionary, with which we built a Singapore accent phone recognizer to extract long term context...
This paper presents first steps toward a large vocabulary continuous speech recognition system (LVCSR) for conversational Mandarin-English code-switching (CS) speech. We applied state-of-the-art techniques such as speaker adaptive and discriminative training to build the first baseline system on the SEAME corpus [1] (South East Asia Mandarin-English). For acoustic modeling, we applied different phone...
This paper presents a novel approach of discriminative acoustic feature extraction for speech recognition using output coding technique. A high dimensional feature space for higher discriminative capability is constructed by expanding MFCC coefficients with polynomial expansion. In order to fit the discriminative features in the hidden Markov model structure of speech recognition, the high dimensional...
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