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Lookup NU author(s): Dr Sukhbinder Kumar, Professor Tim GriffithsORCiD
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Certain sounds, for example, the squeal of chalk on a blackboard, are typically perceived as highly unpleasant. This study addressed the question of what aspects of the auditory representation of such sounds are associated with judgments of unpleasantness. Participants rated the perceived unpleasantness of a large number of sounds that included "griding" and other unpleasant sounds. A multivariate partial least-squares (PLS) model was then built to relate the ratings of unpleasantness with an auditory representation derived from a model of processing in the auditory pathway. The "existence region" of unpleasantness in the auditory space of frequency-temporal modulation was determined after the PLS model had been validated by predicting the unpleasantness of novel sounds from the auditory representation. It was observed that the existence region corresponded to spectral frequencies between 2500 and 5500 Hz, and temporal modulations in the range 1-16 Hz. (C) 2008 Acoustical Society of America. [DOI: 10.1121/1.3006380]
Author(s): Kumar S, Forster HM, Bailey P, Griffiths TD
Publication type: Article
Publication status: Published
Journal: Journal of the Acoustical Society of America
Year: 2008
Volume: 124
Issue: 6
Pages: 3810-3817
ISSN (print): 0001-4966
ISSN (electronic): 1520-8524
Publisher: Acoustical Society of America
URL: http://dx.doi.org/10.1121/1.3006380
DOI: 10.1121/1.3006380
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