Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/45314

TitleTraffic noise: Annoyance assessment of real and virtual sounds based on close proximity measurements
Author(s)Soares, Filomena
Freitas, Elisabete F.
Cunha, C.
Silva, C. C.
Lamas, J.
Mouta, S.
Santos, Jorge A.
KeywordsAnnoyance
Psychoacoustic analysis
Virtual sounds
Close proximity
Traffic noise
Issue dateMay-2017
PublisherElsevier
JournalTransportation Research. Part D: Transport and Environment
CitationSoares, F., Freitas, E., Cunha, C., Silva, C., Lamas, J., Mouta, S., & Santos, J. A. (2017). Traffic noise: Annoyance assessment of real and virtual sounds based on close proximity measurements. Transportation Research Part D: Transport and Environment, 52, 399-407. doi: 10.1016/j.trd.2017.03.019
Abstract(s)The negative impact of noise on human health is well established and a high percentage of environmental noise is related with traffic sources. In this study, we compared annoyance judgments of real and virtual traffic sounds. Virtual sounds were generated through an auralization software with input from close proximity tyre/road noise measurements and real sounds were recorded through a Head and Torso Simulator. Both groups had sounds generated at two speeds and from three urban pavement surfaces (asphalt concrete, concrete blocks and granite cubes). Under controlled laboratory conditions, participants rated the annoyance of each real and virtual stimulus. It was found that virtual stimuli, based on close proximity tyre/road noise, can be used to assess traffic annoyance, in spite of systematic lower rates than those found for real stimuli. The effects of type of pavement and speed were the same for both conditions (real and virtualized stimulus). Opposed to granite cubes, asphalt concrete had lower annoyance rates for both test speeds and higher rate differences between real and virtual stimuli. Additionally, it was also found that annoyance is better described by Loudness than by LAmax. This evidence is stronger for the virtual stimuli condition than for the real stimuli one. Nevertheless, we should stress that it is possible to accurately predict real annoyance rates from virtual auralized sound samples through a simple transformation model. The methodology developed is clearly efficient and significantly simplifies field procedures, allowing the reduction of experimental costs, a better control of variables and an increment on the accuracy of annoyance ratings.
TypeArticle
URIhttp://hdl.handle.net/1822/45314
DOI10.1016/j.trd.2017.03.019
ISSN1361-9209
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S1361920916300116
Peer-Reviewedyes
AccessOpen access
Appears in Collections:CAlg - Artigos em revistas internacionais/Papers in international journals
C-TAC - Artigos em Revistas Internacionais
CIPsi - Artigos (Papers)

Files in This Item:
File Description SizeFormat 
1-s2.0-S1361920916300116-main.pdf1,26 MBAdobe PDFView/Open

Partilhe no FacebookPartilhe no TwitterPartilhe no DeliciousPartilhe no LinkedInPartilhe no DiggAdicionar ao Google BookmarksPartilhe no MySpacePartilhe no Orkut
Exporte no formato BibTex mendeley Exporte no formato Endnote Adicione ao seu ORCID