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A STUDY OF ACOUSTIC PHONETICS OF KOREAN VOWEL SOUNDS IN THE PRIMARY DENTITION

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Abstract

°á ·Ð
À¯Ä¡¿ø¿¡ ´Ù´Ï°í ÀÖ´Â ¾Æµ¿ 91¸íÀÇ ¸ðÀ½ ¹ßÀ½(/¤¿, ¤À, ¤Ã, ¤Ä, ¤Ç, ¤Ì, ¤Ó, ¤Ñ /)À» ³ìÀ½ÇÏ¿©
IBM PCÀÇ À½¼ººÐ¼® programÀÎ Sensimetric speech stationÀ» ÀÌ¿ëÇÏ¿© °¢ ¸ðÀ½ÀÇ Æ÷¸¸Æ®
°¥À» ºÐ¼®ÇÏ¿© º¸¾ÒÀ¸¸ç ¹ßÀ½ÀÌ Á¶À½ ±â°üÀÇ ÇüÅ¿¡ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´Â Ä¡¾Æ, ±¸°³, ¾Ç°ñ
ÀÇ ÇüÅ¿¡ µû¶ó ¿µÇâÀ» ¹Þ´Â°¡¸¦ ¾Ë¾Æº¸±â À§ÇÏ¿© IBM PCÀÇ Åë°èó¸® programÀÎ SPSS¸¦
»ç¿ëÇÏ¿© Á¦ Á¶°Ç¿¡ µû¸¥ Æ÷¸¸Æ® °ªÀ» ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. °¢ ¸ðÀ½ÀÇ Æ÷¸¸Æ® °ª(Fl, F2, F3)À» ¾ò¾úÀ¸¸ç °¢ ¸ðÀ½Àº µ¶¸³µÈ Æ÷¸¸Æ® °ªÀ» °¡Áö°í ÀÖ
´Ù(p<0.05).
2. À¯ÀǼºÀÌ ÀÖ´Â ³²³à Â÷À̸¦ ³ªÅ¸³»´Â ¹ßÀ½À¸·Î/¤¿/ÀÇ Fl°ú F2, /¤Ã /ÀÇ F2, /¤Ó /ÀÇ F2¿Í
F3ÀÌ ÀÖÀ¸¸ç(p<0.05) ¿©ÀÚÀÇ Æ÷¸¸Æ®°¡ ³²ÀÚÀÇ °Íº¸´Ù ³ô°Ô ³ª¿Ô´Ù.
3. °¢ ¸ðÀ½º°·Î ¹ßÀ½¿¡ ¿µÇâÀ» ´õ ¸¹ÀÌ ¹ÌÄ£ ±¸°­ Á¶°ÇÀº ´ÙÀ½°ú °°´Ù.
/¤À/¹ßÀ½ÀÇ Fl¿¡´Â ³ªÀÌ¿Í ÀüÄ¡ÀÇ ÇÇ°³µµÀÌ°í /¤¿/ ¹ßÀ½ÀÇ Fl¿¡´Â ¼ºº°°ú ¾Ç±ÃÀÇ ÇüÅ °¡,
F2¿¡´Â ¼ºº°°ú ³ªÀÌ°¡, F3¿¡´Â ¾Ç±ÃÀÇ ÇüÅÂ¿Í ÀüÄ¡ÀÇ ÇÇ°³µµ°¡ ¿µÇâÀ» ¸¹ÀÌ ³¢ÃÆ ´Ù. /¤Ã/
ÀÇ ¹ßÀ½¿¡´Â FB¿¡¼­ ¼ºº°ÀÌ, F3¿¡¼­ ÀüÄ¡ÀÇ ÃÑ»ýÀÌ /¤Ä/¹ßÀ½¿¡¼­´Â Fl¿¡¼­´Â Àü Ä¡ÀÇ ÇÇ°³
µµ°¡, F2¿¡¼­´Â ÀüÄ¡ÀÇ ÇÇ°³µµ¿Í ÃÑ»ý, ¾È¸ð°¡, F3¿¡¼­´Â overbite°¡ ¸¹Àº ¿µ ÇâÀ» ¹ÌÄ£´Ù. /
¤Ç/¿¡¼­´Â F2¿¡¼­ ÀüÈı³ÇÕ°ü°è°¡ /T/¿¡¼­´Â F3¿¡¼­ ¾È¸ð°¡ /¤Ó/¿¡¼­´Â Fl¿¡¼­´Â ³ªÀÌ¿Í ÃÑ
»ý ¾È¸ð, F2¿¡¼­´Â ¼ºº°, F3¿¡¼­ ¼ºº°ÀÌ ¿µÇâÀ» ¹ÌÃÆ´Ù. /¤Ñ/¿¡¼­´Â Fl¿¡¼­ ¾Ç±ÃÀÇ ÇüÅ°¡
¿µÇâÀ» ¹ÌÃÆ´Ù (p<0.05).
4. °¢ ±¸°­Á¶°Ç¿¡ µû¶ó Â÷À̸¦ ³ªÅ¸³½ ¹ßÀ½Àº ´ÙÀ½°ú °°´Ù.
³ªÀÌ¿¡ µû¶ó¼­´Â /¤À/ÀÇ Fl ¹ßÀ½ÀÌ À¯ÀǼºÀÌ ÀÖ´Â Â÷À̸¦ ³ªÅ¸³»¾ú°í, ±³ÇÕÀÇ »óÇÏ°ü °è¿¡
µû¶ó¼­´Â À¯ÀǼºÀÌ ÀÖ´Â Â÷À̸¦ ³ªÅ¸³½ ¹ßÀ½ÀÌ ¾ø¾ú°í, ÀüÈÄ°ü°è¿¡ µû¶ó¼­´Â /¤Ä/ ÀÇ F2¿Í
F3¹ßÀ½ÀÌ À¯ÀǼºÀÌ ÀÖ´Â Â÷À̸¦ ³ªÅ¸³»¾ú°í, ÀüÄ¡°ü°è¿¡ µû¶ó¼­´Â ¹ßÀ½ Â÷ÀÌ °¡ ¾ø¾úÀ¸¸ç,
ÀüÄ¡ÀÇ ÃÑ»ý°ú °ø±ØÀÇ Á¸Àç¿¡ µû¶ó /¤¿/ÀÇ F2,/¤Ã/ÀÇ F3,/¤Ä/ÀÇ F2¹ßÀ½ÀÌ Â÷À̸¦ º¸ÀÌ°í, ¾È
¸ð¿¡ µû¶ó /¤Ä/ÀÇ F2¹ßÀ½ÀÌ, ¾Ç±ÃÀÇ ÇüÅ¿¡ µû¶ó /¤¿/ÀÇ F2¿Í F3 ¹ßÀ½ ÀÌ Â÷À̸¦ ³ªÅ¸³»¾ú
°í, ±¸°³ÀÇ ³ôÀÌ¿¡ µû¸¥ Â÷ÀÌ´Â ¾ø¾ú´Ù(p<0.05).
#ÃÊ·Ï#
The purpose of :his work was to analysis the formants of korean vowel sounds and to
study the sounds change due to variables(age, sex, occlusion, facial type, platal vault,
overbite, overjet, arch form, and crowding or spacing of ant. teeth) in the primary
dentition.
For this study,91 healthy children (42 males and 49 females) in the primary dentition
were selected. Their ages ranged from 52mons. to 74 mons., the mean age was 66.32
mons. (S.D. 4.44 mons.).
The 8 Korean vowels were recorded and analyzed using Sensimetrics speech
station(Version 2.1).
The parameters used in analysis were formants of the vowel sounds and variables.
The results were as follows :
1. Each vowel sounds have specific formant ranges independently(p<0.05).
2. /¤¿ (a), ¤Ä [e], ¤Ó [i]/'s formants was affected by sex. The female's formants of the
vowel sounds is higher than male's.
3. Vowel sound was significantly affected by variables./ ¤À [¥å]/'s formants was
affected by overbite./¤¿ [a]/'s formants was affected by sex, arch form, age, and
overbite. / ¤Ã [ ]/'s formants was affected by sex and crowding or spacing of ant.
teeth. / ¤Ä[e1/'s formants was affected by overbite, crowding or spacing of ant. teeth,
and facial pattern. /¤Ç[¥ï]/'s formants was affected by Angle's occlusion. /T[u]/'
formants was affected by facial pattern. / ¤Ó[i]/'s formants was affected by age,
crowding or spacing of ant. teeth, facial pattern and sex. /-[i1/'s formants was affected
by arch form.
4. There were significant differences in some vowel sound according to each
Variables(p<0.05). Significant differences according to Age were seen the first formant
of / ¤À[¥å]/. Significant differences according to Angle's classification of occlusion were
seen the 2nd and 3rd formant of /¤Ä [e]/. Significant differences according to crowding
or spacing of ant. teeth were seen the 2nd formant of /¤¿ [a], ¤Ä [e]/, the 3rd formant
of /¤Ã [ ]/. Significant differences according to facial pattern were seen the 2nd formant
of /¤Ä [e1/. Significant differences according to arch form were seen the 2nd and 3rd
formant of /¤¿ [a]/.

Å°¿öµå

formant; vowel sound; primary dentition;

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