한국어 방언의 비음-저해음 관련 현상의 검토-

초록

This paper aims to identify the phonetic relationship between nasals and obstruents in Korean dialects. This paper points out that both the insertion of nasal before and the obstruents' insertion after nasals are observed in various dialects. We propose that those phenomena are due to listeners' hypo-correction of the acoustic aspects of obstruents and nasals, and we argue that the following acoustic effects created in the articulation of obstruents and nasals are responsible for the target phenomena: (i) the acoustic effect made by the subglottal cavity as a side chamber in the articulation of high-airflow sounds, such as aspirated stops and fricatives, (ii) the nasal leakage to maintain the appropriate level of air pressure in the oral cavity for voiced obstruents, and (iii) the partial denasalization of nasals before high vowels. The sporadic examples of the correspondence between obstruents and nasals in various dialects are captured appropriately in this perspective. This paper also proposes that obstruents' classification based on their laryngeal features is better to understand those phenomena than the classification based on manner of articulation. The proposed approach can be applied to understand the substitution between obstruents and nasals in dialectal data.

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