Shota Takeuchi

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In this paper, we describe and review our recent development of hands-free speech dialogue system which is used for railway station guidance. In the application at the real railway station, robustness against reverberation and noise is the most essential issue for the dialogue system. To address the problem, we introduce two key techniques in our proposed(More)
Following the real environment spoken-oriented guidance system " Takemaru-kun", which in operation since Nov. 2002 at an entrance of the public center ISTA in Ikoma city, two new spoken guidance systems are developed. They implemented at a railway station in Ikoma city since Mar. 2006. They have different interfaces. One system is named Kita-chan and a(More)
In this paper, we describe development and evaluation of hands­ free spoken dialogue system which is used for railway station 忽lÎdance. ln the application at the railway station, noise ro・ bustness is the most essential issue for the dialogue system. To address the problem, we introduce two key techniques in our proposed hands-free system; (a) blind spatial(More)
In this paper, we propose a method to improve the speech recognition accuracy for web search utterances to a spoken dialogue system. Speech data with a dialogue system are obtained by our speech-oriented information guidance system, " Takemaru-kun " [1], which has been in operation at a public community center since November 2002. From the results of manual(More)
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