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- Title
The Band-Importance Function for the Korean Standard Sentence Lists for Adults.
- Authors
In-Ki Jin; Junghak Lee; Kyoungwon Lee; Jinsook Kim; Dongwook Kim; Junil Sohn; Kyung-Ju Lee
- Abstract
Background and Objectives: The band-importance function (BIF) refers to a value characterizing the relative importance of different frequencies to speech intelligibility. The purpose of this study was to derive the BIF for the Korean standard sentence lists for adults (KSSL- A). Subjects and Methods: In this study, sentences from the KS-SL-A were used as the speech material. Twenty-six normal-hearing Korean listeners participated and intelligibility scores in 8 filters with 3 signal-to-noise ratio conditions were obtained. Based on the intelligibility score percentages, the BIF for the KS-SL-A was derived by using an established protocol. Results: Band-importance weights varied across frequency bands. The most important frequency region was around 316 Hz (20.0%), and the importance of the frequency bands below the center frequency (CF) of 1,778 Hz was 59.6%. Therefore, low frequencies below the CF of 1,778 Hz were more important than high frequencies above the CF of 1,778 Hz. Conclusions: The BIF for KS-SL-A could be applied towards developing a hearing aid fitting formulae for Korean listeners.
- Subjects
INTELLIGIBILITY of speech; SENTENCES (Grammar); PSYCHOLOGY of adults; SIGNAL-to-noise ratio; KOREANS; PSYCHOLOGY
- Publication
Journal of Audiology & Otology, 2016, Vol 20, Issue 2, p80
- ISSN
2384-1621
- Publication type
Article
- DOI
10.7874/jao.2016.20.2.80