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Study of the Ability of Articulation Index (Al) for Predicting the Unaided and Aided Speech Recognition Performance of 25 to 65 Years Old Hearing-Impaired Adults

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Author(s): Zahra Jaefari | Dr. Aliasghare Kakoujoybari | Sayyd Aliakbar Tahaei | Ghasem Mohammad Khani | Dr. Soqrat Faghihzadeh

Journal: Audiology
ISSN 1735-1936

Volume: 9;
Issue: 1-2;
Start page: 23;
Date: 2001;
Original page

Keywords: Articulation Index | Speech Recognition Performance | Old Hearing-Impaired Adults | Real ear probe-tube microphone system

ABSTRACT
"nBackground: In recent years there has been increased interest in the use of Al for assessing hearing handicap and for measuring the potential effectiveness of amplification system. "nAI is an expression of proportion of average speech signal that is audible to a given patient, and it can vary between 0.0 to 1.0. "nMethod and Materials: This cross-sectional analytical study was carried out in department of audiology, rehabilitation, faculty, IUMS form 31 Oct 98 to 7 March 1999, on 40 normal hearing persons (80 ears; 19 males and 21 females) and 40 hearing impaired persons (61 ears; 36 males and 25 females, 25-65 years old) with moderate to moderately severe SNI-IL The pavlovic procedure (1988) for calculating Al, open set taped standard mono syllabic word lists, and the real -ear probe- tube microphone system to measure insertion gain were used, through test-retest. "nResults: 1/A significant correlation was shown between the Al scores and the speech recognition scores of normal hearing and hearing-impaired group with and without the hearing aid (P
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