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KMID : 0917519990060010145
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Journal of Speech Sciences
1999 Volume.6 No. 1 p.145 ~ p.161
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An Acoustic and Aerodynamic Study of Korean Fricatives and Affricates
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Abstract
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21 normal Korean native speakers participated as subjects to investigate the acoustic and aerodynamic study of Korean fricatives and affricated and to make good use of the results for the patients with articulation problems. Their productions of [sa], [s´a], [ca], [c^ha],[c´a] [asa], [as´a], [aca], [ac^ha] , and [ac´a] were analyzed with CSL and AP II instruments. The results are as followings : (1) Fricative showed higher frequency in minimum and maximum frequency and longer duration than affricates. (2) Fricatives showed higher peak flow rate and longer rise time than affricates. (3) When we compared the different phonemes with each other, their differences were usually statistically significant, but when we compared CV and VCV syllables, they did not show significant difference, even VCV´s showed higher and longer values than CV syllables. (4) Normaly, lax fricatives and affricates showed lower frequency and higher peak flow rate, shorter frication duration, and longer rise time.
Keywords: Fricatives, affricates, acoustics, aerodynamics.
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