Τρίτη 28 Φεβρουαρίου 2017

Does Language Matter When Using a Graphical Method for Calculating the Speech Intelligibility Index?

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Does Language Matter When Using a Graphical Method for Calculating the Speech Intelligibility Index?

J Am Acad Audiol. 2017 Feb;28(2):119-126

Authors: Jin IK, Kates JM, Arehart KH

Abstract
BACKGROUND: Graphical methods for calculating the speech intelligibility index (SII), such as the count-the-dot audiogram, are useful tools in quantifying how much weighted audibility is restored when amplification is used for individuals with hearing loss. The band-importance function (BIF), which is an important component of the SII, depends on the language. Thus, language may affect the prediction of weighted audibility using the graphical SII.
PURPOSE: The purpose of this study was to apply language-specific BIFs to develop and compare graphical SIIs for English, Korean, and Mandarin.
RESEARCH DESIGN: The graphical SIIs were developed and compared using a research design that applied and analyzed existing datasets.
DATA COLLECTION AND ANALYSIS: Language-specific BIFs and dynamic ranges were used to derive graphical SIIs for English, Korean, and Mandarin. SII predictions were compared by calculating the language-specific predictions for the same audiometric configurations.
RESULTS: The graphical SIIs for English, Korean, and Mandarin yielded different unaided and aided predictions for the same audiogram configurations.
CONCLUSIONS: A graphical SII helps patients easily understand their weighted audibility for unaided and aided conditions; thus, it is a useful counseling tool in the clinic. The most accurate graphical SII's will, however, be based on a patient's spoken language.

PMID: 28240979 [PubMed - in process]



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