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Perceptual analysis of the speech intelligibility and soundscape of multilingual environments

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dc.contributor.author Kitapçı, Kıvanç
dc.contributor.author Galbrun, Laurent
dc.date.accessioned 2020-02-13T11:13:57Z
dc.date.available 2020-02-13T11:13:57Z
dc.date.issued 2019-08
dc.identifier.citation Kitapci, Kivanc; Galbrun, Laurent, "Perceptual analysis of the speech intelligibility and soundscape of multilingual environments", Applied Acoustics, Vol. 151, pp. 124-136, (2019). tr_TR
dc.identifier.issn 0003-682X
dc.identifier.uri http://hdl.handle.net/20.500.12416/2432
dc.description.abstract This paper examines the perceived speech intelligibility of English, Polish, Arabic, and Mandarin and, more generally, the soundscape associated to multilingual environments. Listening tests were used to evaluate three acoustic environments (an airport, a hospital, and a caf) under three room acoustic conditions defined by a different speech transmission index (STI) (STI = 0.4, 0.5 and 0.6). In the tests, participants rated eleven semantic attributes representative of speech perception and the overall soundscape (speech intelligibility, speech level, speech pleasantness, noisiness, annoyance, relaxation, comfort, environment pleasantness, eventfulness, excitement, and familiarity). Results obtained indicate that inter-language comparisons based on perceived speech intelligibility are different from those obtained from objective speech intelligibility tests. Noticeably, English participants were found to be most sensitive to changes in room acoustic conditions and to meaningful and distractive noise sources, whilst Arab participants were least sensitive to changes in room acoustic conditions and more tolerant to noise. Perceived speech intelligibility correlated significantly with non-acoustical factors (speech pleasantness, comfort and environment pleasantness), and 'emotional factors' (annoyance, relaxation, comfort and environment pleasantness) explained a large portion of the variance in soundscape assessment. Results also showed that language affected the perceived speech intelligibility marginally (p = 0.051) and noisiness significantly (p = 0.047), the latter being the best indicator of cultural variations amongst the attributes tested. Overall, the study shows that designing for speech intelligibility cannot be solely based on room acoustic parameters, especially in the case of multi-lingual environments. (C) 2019 Elsevier Ltd. All rights reserved. tr_TR
dc.language.iso eng tr_TR
dc.publisher Elsevier SCI LTD tr_TR
dc.relation.isversionof 10.1016/j.apacoust.2019.03.001 tr_TR
dc.rights info:eu-repo/semantics/closedAccess tr_TR
dc.subject Speech Intelligibility tr_TR
dc.subject Soundscape tr_TR
dc.subject Room Acoustics tr_TR
dc.subject Speech Perception tr_TR
dc.title Perceptual analysis of the speech intelligibility and soundscape of multilingual environments tr_TR
dc.type article tr_TR
dc.relation.journal Applied Acoustics tr_TR
dc.contributor.authorID 275153 tr_TR
dc.identifier.volume 151 tr_TR
dc.identifier.startpage 124 tr_TR
dc.identifier.endpage 136 tr_TR
dc.contributor.department Çankaya Üniversitesi, Fen - Edebiyat Fakültesi, Matematik - Bilgisayar Bölümü tr_TR


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