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ISSN: 2375-4427

Journal of Communication Disorders, Deaf Studies & Hearing Aids
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Research Article

The Influence of Non-Linear Frequency Compression on the Perception of Timbre and Melody by Adults with a Moderate to Severe Hearing Loss

Marinda Uys1*, Lidia Pottas2, Catherine Van Dijk1,2 and Bart Vinck2

1Ear Institute, Queenswood, Pretoria, South Africa

2Department of Communication Pathology, University of Pretoria, Pretoria, South Africa

*Corresponding Author:
Marinda Uys
Ear Institute, Queenswood
Pretoria, South Africa
Tel: 27 722110 140
E-mail: [email protected]

Received date: June 28, 2013; Accepted date: December 28, 2013; Published date: December 30, 2013

Citation: Uys M, Pottas L, Dijk CV, Vinck B (2013) The Influence of Non-Linear Frequency Compression on the Perception of Timbre and Melody by Adults with a Moderate to Severe Hearing Loss. Commun Disord Deaf Stud Hearing Aids 1:104. doi: 10.4172/2375-4427.1000104

Copyright: © 2013 Uys M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Hearing loss; Hearing aids; Non-linear frequency compression; Music perception; Timbre; Melody



Objective: To date, the main focus in frequency lowering hearing aid studies has been in relation to speech perception abilities. With improvements in hearing aid technology, interest in musical perception as a dimension that could improve hearing aid users’ quality of life, however, grew. The purpose of this study was to evaluate the influence of non-linear frequency compression (NFC) on music perception with the use of a self-compiled Music Perception Test (MPT).
Design & Sample: A quasi-experimental research design was implemented to fit participants (n=40) with NFC hearing aids. Test data was obtained with the hearing aids with NFC inactive and active.
Results: The use of NFC significantly improves hearing aid users’ perception of timbre and melody.
Conclusion: The use of NFC can result in hearing users perceiving music more positively and does not influence music perception negatively.

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