Shuichi Itahashi

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In this paper we present the first public Japanese speech corpus for large vocabulary continuous speech recognition (LVCSR) technology, which we have titled JNAS (Japanese Newspaper Article Sentences). We designed it to be comparable to the corpora used in the American and European LVCSR projects. The corpus contains speech recordings (60 hrs.) and their(More)
There are a number of restrictions in human-machine interactions, which continue to warrant a better control of response utterances in spoken dialogue systems. Indeed, the human user often has to deal with unnatural responses, and therefore requires some experience with such systems in order to improve interactions. This problem is re-examined here, with(More)
This paper attempts to segment spontaneous speech of human-to-human spoken dialogues into a relatively large unit of speech, that is, a sub-phrasal unit segmented by interjections, dis uent utterances and pauses. A spontaneous speech model incorporating prosody was developed, in which three kinds of speech segment models and the transition probabilities(More)