Abstract
In an anechoic room the directional characteristics of 17 different hearing aids were evaluated using KEMAR. Word discrimination scores in the presence of speech-like masking noise--a reliable parameter for the performance of a hearing aid--were compared with the directional sensitivity of the hearing aid under study for different signals. The directional characteristics of a hearing aid have the best predictive value for word discrimination scores in the presence of masking noise if this masking noise is used to measure these characteristics.
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