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Continuous judgment by category-ratio scaling of aircraft noise
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
2014 (English)In: Applied Acoustics, ISSN 0003-682x, Vol. 84, 3-8 p.Article in journal (Refereed) Published
Abstract [en]

A continuous judgment by category-ratio (CJCR) scaling method was used to evaluate the instantaneous annoyance of original and modified aircraft sounds. The result from the proposed method resulted in a temporal stream of annoyance levels for the whole flyover sequence that could be further analyzed. The test subjects were continuously rating their instantaneous annoyance on a Borg CR 100 scale (R) during the playback of 10 flyover sequences. Using a category-ratio (CR) scale instead of a category (C) scale, mathematical operations such as calculations of average were enabled but gave also advantages in terms of higher resolution in the responses. The results showed differences in perception in the time segment where the sound had been modified. The temporal stream of annoyance was also converted into overall judgments of the sounds, these estimations showed consistency with previous results obtained using the semantic differential and paired comparison method.

Place, publisher, year, edition, pages
2014. Vol. 84, 3-8 p.
Keyword [en]
Aircraft noise, Annoyance, Continuous judgment by category-ratio scaling
National Category
Aerospace Engineering
Identifiers
URN: urn:nbn:se:kth:diva-146713DOI: 10.1016/j.apacoust.2014.02.013ISI: 000337779500002Scopus ID: 2-s2.0-84901609548OAI: oai:DiVA.org:kth-146713DiVA: diva2:724884
Funder
EU, FP7, Seventh Framework Programme
Note

QC 20140806. Updated from manuscript to article in journal.

Available from: 2014-06-13 Created: 2014-06-13 Last updated: 2017-12-05Bibliographically approved
In thesis
1. Methods for Sound Quality Evaluations: Applied to Noise from Aircraft and Construction Vehicles
Open this publication in new window or tab >>Methods for Sound Quality Evaluations: Applied to Noise from Aircraft and Construction Vehicles
2014 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2014. x, 47 p.
Series
TRITA-AVE, ISSN 1651-7660 ; 2014:12
National Category
Aerospace Engineering
Identifiers
urn:nbn:se:kth:diva-146221 (URN)978-91-7595-138-6 (ISBN)
Public defence
2014-06-11, Kollegiesalen, Brinellvägen 8, KTH, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

QC 20140610

Available from: 2014-06-10 Created: 2014-06-10 Last updated: 2014-06-16Bibliographically approved

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