Acoustic Properties of Glottalized Consonants: A Pilot Study on the Ie Dialect of the Northern Ryukyuan Languages

要旨

This paper discusses the issues related to the phonetic properties of the glottalized consonants in the Ryukyuan languages.It is said that the glottalized consonants are noticeable phonetic characteristics of the Northern Ryukyuan languages, as in Uemura (1993, 2000).Although studies have been made on the glottalized consonants in Ryukyuan, Acoustic Properties of Glottalized Consonants:A Pilot Study on the Ie Dialect of the Northern Ryukyuan Languages AOI, HayatoThis study explores the phonetic characteristics of glottalized consonants in Ryukyuan languages, with a particular focus on the Ie dialect of Northern Ryukyuan.Despite previous research, the detailed phonetic aspects of these consonants remain largely unexplored.My acoustic phonetic analysis reveals distinctive features, such as short durations and abrupt onsets, that differentiate glottalized from non-glottalized resonants.However, contrary to traditional expectations, voiceless unaspirated stops show no signs of laryngeal constriction.The findings align with historical processes and phonological patterns, shedding new light on the phonological structure of Ryukyuan languages.

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