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전화 통화 시 보청기 무선 통신 기술의 유효성

Effectiveness of Wireless Streaming on Telephone Conversation in Users of Hearing Aids

대한이비인후과학회지-두경부외과학 2020년 63권 3호 p.101 ~ 107
조영상 ( Cho Young-Sang ) - 성균관대학교 의과대학 삼성서울병원 이비인후과학교실

강수진 ( Kang Soo-Jin ) - 성균관대학교 의과대학 삼성서울병원 청각연구실
임지현 ( Lim Ji-Hyun ) - 성균관대학교 의과대학 삼성서울병원 임상역학센터
강시형 ( Kang Si-Hyung ) - 성균관대학교 의과대학 삼성창원병원 이비인후과학교실
서지원 ( Seo Ji-Won ) - 성균관대학교 의과대학 삼성창원병원 이비인후과학교실
문일준 ( Moon Il-Joon ) - 성균관대학교 의과대학 삼성서울병원 이비인후과학교실
홍성화 ( Hong Sung-Hwa ) - 성균관대학교 의과대학 삼성창원병원 이비인후과학교실

Abstract


Background and Objectives: The purpose of this study was to figure out the clinical effectiveness of the bluetooth wireless streaming when used with a hearing aid during cell phone conversation for hearing-impaired listeners.

Subjects and Method: Twenty-four adults with hearing loss participated (mild: 3, moderate: 13, moderately severe: 8) in the study. The following three objective tests and one subjective questionnaire were administered to all participants; 1) consonant and Monosyllabic test in an noisy environment, 2) speech recognition test in quiet and noisy conditions, 3) listening effort test, and 4) questionnaire about sound quality and preference. Each objective test was conducted in three different cell phone conversation environments as follows; 1) unaided condition, 2) aided condition, with the bluetooth function off, and 3) aided condition, with the bluetooth function on.

Results: In the aided condition with the bluetooth function off, performance on consonant and monosyllabic tests was the lowest (p<0.05). However, when the bluetooth function was turned on, the result showed statistically significant superior performance (p<0.05). For the words and sentences test in noisy conditions, using wireless streaming feature with the hearing aids were beneficial compared to not using the feature (p<0.05). However, no significant difference was found between the bluetooth off and on conditions in quiet conditions. Listening effort was significantly lower in noisy background for aided bluetooth on condition (p<0.05). There was no significant difference in sound quality according to each condition, but the preference of Bluetooth feature was overwhelmingly high.

Conclusion: Bluetooth wireless streaming is beneficial during phone conversation in noisy environments for users of hearing aids.

키워드

Cell phone; Hearing aids; Hearing loss; Smartphone; Wireless Technology
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