학술논문
인공와우에 의한 청각적 피드백이 청각 장애 아동 발성ㆍ발화의 음향학적 특성 변화에 미치는 영향
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- 영문명
- A Study on the Acoustic Characteristics Changes of Hearing Impaired Children"s Sound and Speech by Auditory Feedback Which Uses a Cochlea Implant
- 발행기관
- 한국재활과학회
- 저자명
- 이필상(Lee Phil-Snag) 강수균(Kang Soo-Kyoon)
- 간행물 정보
- 『난청과언어장애』제27권 제2호, 55~85쪽, 전체 31쪽
- 주제분류
- 의약학 > 재활의학
- 파일형태
- 발행일자
- 2004.12.01
6,520원
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이 학술논문 정보는 (주)교보문고와 각 발행기관 사이에 저작물 이용 계약이 체결된 것으로, 교보문고를 통해 제공되고 있습니다.
국문 초록
영문 초록
The purposes of this study were to examine the changes of acoustic characteristics of hearing impaired children"s sound and speech before and after offering auditory feedback which used a cochlear implant, and to find out the effects of auditory feedback on the changes.
The participants were composed of 10 normal children, and 10 children with a cochlear implant on. The conditions for the selection of participants were limited to children with no physical handicaps including hearing impairment, children who lost hearing before language acquisition, children whose hearing loss was over 90 dB, and children who depended entirely on a cochlear implant. Their age range was from 9 to 10 years old.
In order to find out the changes of acoustic characteristics of hearing impaired children"s sound and a cochlear implant made by auditory feedback, the study went through F1, F2, F2-F1 analyses in the sounds of /ah, uh, ih/ vowels through CSL, and compared them with a F0 analysis in the first and second syllabus speeches. The mean differences of F0, F1, F2, F2-F1, before and after putting on a cochlear implant, was verified by means of a paired t-test.
Such analyses draw the following major conclusions:
First, auditory feedback through the use of a cochlear implant improves articulation problem in the sounds of /ah, uh, ih/ vowels created by hearing impaired children. That is, after the auditory feedback, the location of tongue was modified by putting lower or backward their tongue for /ah/ vowel, higher or more backward for /uh/ vowel, and higher or more forward for /ih/ vowel. Since this phenomenon is considered to improve the articulation of vowel problem through the modification of the location of tongue by offering auditory feedback, there can be direct correlations between auditory feedback and acoustic characteristics of sound.
Second, auditory feedback through the use of a cochlear implant improves articulation problem in the hearing impaired children"s first and second syllabus speeches. That is, since the fact that the pitch gets lower means the improvement of articulation problem, there can be direct correlations between auditory feedback and acoustic characteristics of speech.
The participants were composed of 10 normal children, and 10 children with a cochlear implant on. The conditions for the selection of participants were limited to children with no physical handicaps including hearing impairment, children who lost hearing before language acquisition, children whose hearing loss was over 90 dB, and children who depended entirely on a cochlear implant. Their age range was from 9 to 10 years old.
In order to find out the changes of acoustic characteristics of hearing impaired children"s sound and a cochlear implant made by auditory feedback, the study went through F1, F2, F2-F1 analyses in the sounds of /ah, uh, ih/ vowels through CSL, and compared them with a F0 analysis in the first and second syllabus speeches. The mean differences of F0, F1, F2, F2-F1, before and after putting on a cochlear implant, was verified by means of a paired t-test.
Such analyses draw the following major conclusions:
First, auditory feedback through the use of a cochlear implant improves articulation problem in the sounds of /ah, uh, ih/ vowels created by hearing impaired children. That is, after the auditory feedback, the location of tongue was modified by putting lower or backward their tongue for /ah/ vowel, higher or more backward for /uh/ vowel, and higher or more forward for /ih/ vowel. Since this phenomenon is considered to improve the articulation of vowel problem through the modification of the location of tongue by offering auditory feedback, there can be direct correlations between auditory feedback and acoustic characteristics of sound.
Second, auditory feedback through the use of a cochlear implant improves articulation problem in the hearing impaired children"s first and second syllabus speeches. That is, since the fact that the pitch gets lower means the improvement of articulation problem, there can be direct correlations between auditory feedback and acoustic characteristics of speech.
목차
〈Abstract〉
Ⅰ. 서론
Ⅱ. 연구 방법
Ⅲ. 연구 결과
Ⅳ. 논의
Ⅴ. 요약 및 결론
참고문헌
Ⅰ. 서론
Ⅱ. 연구 방법
Ⅲ. 연구 결과
Ⅳ. 논의
Ⅴ. 요약 및 결론
참고문헌
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