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Perceived listening effort and speech intelligibility in reverberation and noise for hearing-impaired listeners

 
: Schepker, H.; Haeder, K.; Rennies, J.; Holube, I.

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International journal of audiology 55 (2016), No.12, pp.738-747
ISSN: 1499-2027 (print)
ISSN: 1708-8186 (Online)
English
Journal Article
Fraunhofer IDMT ()

Abstract
Objective: The purpose of this study was to assess perceived listening effort and speech intelligibility in reverberant and noisy conditions for hearing-impaired listeners for conditions that are similar according to the speech transmission index (STI). Design: Scaled listening effort was measured in four different conditions at five different STI generated using various relative contributions of noise and reverberant interferences. Intelligibility was measured for a subset of conditions. Study sample: Twenty mildly to moderately hearing-impaired listeners. Results: In general, listening effort decreased and speech intelligibility increased with increasing STI. For simulated impulse responses consisting of white Gaussian noise exponentially decaying in time, a good agreement between conditions of different relative contributions of noise and reverberation was found.

: http://publica.fraunhofer.de/documents/N-421563.html