Movements of the Oral Cavity during Pronunciation of Chinese Pinyinzimu Sounds

概要

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In order to better understand the pronunciation of the Chinese language, we investigated the movements of the oral cavity during pronunciation of the pinyinzimu sounds which were defined in 1958. We found from examination of palatogram and linguogram, and from the contact time of the tongue and palate that, more so than is the case with English or Japanese, it is necessary to make the tip of the tongue contact the palate lightly and for a longer duration in order to correctly pronounce the pinyinzimu sounds. Examination of the velocity in the mandibular incisor region revealed that it is greater during the open phase than the closed phase both for vowels and consonants. It was also found that the velocity during the closed phase is greater for vowels than for consonants. In addition, examination of the muscles associated with the oral cavity and the degree of opening indicated it was possible to determine the rest position by pronouncing the z, c, and s sounds which are made in the anterior of the mouth with the tip of the tongue (dental sounds).
大阪歯科学会の論文