지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Alveolar fricative sounds /s/ and /s"/ are learned last for normal children in the speech development process for Koreans. These are especially difficult to articulate for hearing-impaired children often causing articulation errors. The acoustic phonetic evaluation uses testing tools to provide indirect and object information. These objective resources can be compared with standardized resources on speech when interpreting the results of a test. However, most previous studies in Korea did not consider acoustic studies that used the spectrum moment values of hearing-impaired children. Therefore, this study was conducted to compare the characteristics of hearing-impaired children"s pronunciation of fricative sounds using spectrum moment values. For this purpose, the study selected a total of 10 hearing-impaired children (5 boys and 5 girls) currently in 3rd or 5th grade and attending one of the elementary schools in Seoul or Gyeonggi-do. For the selection process, their age, type of hearing aid, implantation of hearing aid (CI) before two years of age, hearing capacity (dB) before and after wearing the hearing aid, duration of speech rehabilitation, and time of learning alveolar fricative sounds were all considered. Also, 10 normal children (5 boys and 5 girls) were selected among 3rd or 5th grade students attending one of the elementary schools in Seoul or Gyeonggi-do. The subjects were asked to read the carrier sentence, "I say _______," including a list of 12 meaningless syllables composed of CV and VCV syllables, including alveolar fricative sounds /s/ and /s"/ and vowels /a/, /i/, and /u/. The recorded resources were processed through the Time-frequency Analysis Software Program to measure M1 (mean), M2 (variance), M3 (skewness), and M4 (kurtosis) of the fricative noise. No significant differences were found when comparing spectrum threshold values in the acoustic phonetic characteristics of hearing-impaired children and normal children in alveolar fricative sound pronunciation according to vowels /a/, /i/, and /u/, alveolar fricative sounds /s/ and /s"/, and syllable structure (CV, VCV) other than, for M3 in the comparison of groups according to disability. In the comparison of syllable structures, there were statistically significant differences in M1, M2, M3, and M4 with clinical significance. However, there was no significant difference in results when comparing the alveolar fricative sounds according to the vowels.
목차
ABSTRACT
1. 서론
2. 연구 방법
3. 연구 결과
4. 논의 및 결론
참고문헌
참고문헌 (28)
참고문헌 신청
1. [학술지(정기간행물)] - Behrens, S. J. / 1988 / Acoustic Characteristics of English Voiceless Fricatives-A Descriptive Analysis / Journal of Phonetics 16 (3) : 295 ~ 298
2. [학술지(정기간행물)] - Blumstein, S. E. / 1979 / Acoustic invariance in speech production: Evidence from measurements of the spectral characteristics of stop consonants / J Acoust Soc 66 : 1001 ~ 1017
3. [학위논문] - Cheon, H. J. / 1998 / Development of Korean /s/(/ㅅ/) and /s'/(/ㅆ/) in normal Children of ages 2-7 Years / 석사 / Ewha womans University
4. [단행본] - Ferrand, C. T. / 2006 / Speech Science: An Integrated Approach to Theory and Clinical Practice (2nd ed.) / Allyn and Bacon
5. [학술지(정기간행물)] - Forrest, K. / 1988 / Statistical analysis of word-initial voiceless obstruents : Preliminary data / Acoustical Society of America 84 (1) : 43 ~ 70
2. [학술지(정기간행물)] - Blumstein, S. E. / 1979 / Acoustic invariance in speech production: Evidence from measurements of the spectral characteristics of stop consonants / J Acoust Soc 66 : 1001 ~ 1017
3. [학위논문] - Cheon, H. J. / 1998 / Development of Korean /s/(/ㅅ/) and /s'/(/ㅆ/) in normal Children of ages 2-7 Years / 석사 / Ewha womans University
4. [단행본] - Ferrand, C. T. / 2006 / Speech Science: An Integrated Approach to Theory and Clinical Practice (2nd ed.) / Allyn and Bacon
5. [학술지(정기간행물)] - Forrest, K. / 1988 / Statistical analysis of word-initial voiceless obstruents : Preliminary data / Acoustical Society of America 84 (1) : 43 ~ 70
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UCI(KEPA) : I410-ECN-0101-2015-700-001679332