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Audiology and Speech Research > Volume 12(4); 2016 > Article
Audiology and Speech Research 2016;12(4): 280-288.
Published online: October 31, 2016.
doi: http://dx.doi.org/10.21848/asr.2016.12.4.280
배경 소음 및 말속도 변화에 따른 난청 노인의 문장인지도 오류: 사례분석을 중심으로
나원도1, 김기쁨1, 김건구1, 이지현1, 한우재2
1한림대학교 일반대학원 언어병리청각학과
2한림대학교 자연과학대학 언어청각학부, 청각언어연구소
Sentence Recognition Error of Hearing-Impaired Elderly in Background Noise and Time Alteration: Case Analysis
Wondo Na1, Gibbeum Kim1, Gungu Kim1, Jihyeon Lee1, Woojae Han2
1Department of Speech Pathology and Audiology, Graduate School, Hallym University, Chuncheon, Korea
22Division of Speech Pathology and Audiology, Research Institute of Audiology and Speech Pathology, College of Natural Sciences, Hallym University, Chuncheon, Korea
Correspondence  Woojae Han ,Tel: +82-33-248-2216, Fax: +82-33-256-3420, Email: woojaehan@hallym.ac.kr
Received: September 2, 2016; Revised: October 2, 2016   Accepted: October 5, 2016.  Published online: October 31, 2016.
ABSTRACT
Purpose:
Although many previous studies related to sentence recognition of the hearing-impaired elderly have found their poor performance under various distracting listening conditions, there is still a lack of information for their error type in the sentence. The purpose of present study was to analyze a prominent error type among nine parts of speech in various levels of noise and fast speech conditions for the hearing-impaired elderly.
Method:
Seven old listeners with moderate sensorineural hearing loss participated. For estimating their sentence recognition, Korean Speech Perception in Noise was applied for four signal-to-noise ratios (no noise, +6, +3, 0 dB) and four time alteration conditions (±30%, ±15%), while being presented at the most comfortable level to each participant. Total percent error and substitution error patterns of the sentence recognition were analyzed as a function of conditions.
Results:
The percent error of sentence recognition was increased as either noise level increased or speech rate was faster. Among the parts of speech, noun substitution error pattern showed the highest number for all participants regardless levels of noise and time alteration. Interestingly, the noun substitution error pattern was outstood in quiet and 15% time compression.
Conclusion:
Results of the present study suggest that aural rehabilitation of the hearing-impaired elderly may focus on reducing and correcting the noun substitution error to improve their sentence recognition.
Key Words: Sentence recognition, Noun substitution error, Hearing-impaired elderly, Signal-to-noise ratios, Time alteration.
중심단어: 문장인지· 명사 대치오류· 난청노인· 신호대잡음비· 시간변화
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