Ryoji Baba

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It is difficult for the Japanese learners to perceive and produce the morae with devocalized vowels. To make it easier for the Japanese learners to acquire them, we investigate how Japanese native speakers perceive them. Usually the first vowel of the Japanese word ‘susugi’(rinse) disappears, and so the pronunciation of ‘susugi’ is not [susugi] but [ssugi].(More)
There are three kinds of Tokushuhaku (the specific timing morae) in the Japanese language such as the moraic nasal, the non-nasal consonant and the long vowel. Even though Japanese native speakers can perceive them perfectly, it is difficult for Japanese learners from abroad to perceive and produce them. To make it more efficient for Japanese learners to(More)
PURPOSE Proton therapy requires highly-precise image guidance in patient setup to ensure accurate dose delivery. Cone-beam CT (CBCT) is expected to play an important role to reduce uncertainties in patient setup. Hokkaido University has developed a new proton therapy system dedicated to spot-scanning under a collaborative work with Hitachi Ltd. In our(More)
This study investigates how the native speakers of Japanese tell the differences of the words containing the devocalized vowels. The close vowels [K? and =/? devocalize in Japanese when they are situated between voiceless consonants and between pause and voiceless consonant. In this paper, we verify the hypothesis that the devocalized vowels are the(More)
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