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AIDED SPATIAL HEARING: ELECTROACOUSTIC AND
PERCEPTUAL CONSIDERATIONS
1
GN ReSound
Publication date: 2011-06-30
J Hear Sci 2011;1(2):60-62
KEYWORDS
TOPICS
ABSTRACT
An electroacoustic investigation of aided ILDs and ITDs has been performed using six commercially-available hearing aids
that incorporate spatial cue signal processing. The purpose of the study was to measure errors associated with amplification.
Two distinct audiograms were tested. When configured according to manufacturers’ recommended procedures, all devices
produced ILD errors that varied with azimuth and increased with frequency. ITD errors were also common among products.
Results suggest that spatial cue signal processing provided by hearing aids has not been optimized and that more research is
needed before conclusions about benefit can be made.
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2.
Glasberg BR, Moore BCJ: Derivation of auditory filter shapes from notched-noise data. Hearing Research, 1990; 47: 103–38.
3.
Holube I, Fredelake S, Vlaming M, Kollmeier B: Development and analysis of an International Speech Test Signal (ISTS). Int J Audiol, 2010; 49: 891–903.
4.
Musa-Shufani S, Walger M, Wedel H, Meister H: Influence of dynamic compression on directional hearing in the horizontal plane. Ear and Hearing, 2006; 27: 279–85.
5.
Van den Boerck T, Klasen T, Moonen M et al: Horizontal localization with bilateral hearing aids: Without is better than with. J Acoust Soc Am, 2005; 119(1): 515–26.
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