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Specification of component sound quality applied to automobile power windows
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.ORCID iD: 0000-0002-7048-523X
Scania, Södertälje.
2009 (English)In: Applied Acoustics, ISSN 0003-682X, E-ISSN 1872-910X, Vol. 70, no 6, p. 813-820Article in journal (Refereed) Published
Abstract [en]

As cars become quieter the sound quality of components with electric motors becomes more important in the customer perception of vehicle quality. This has created a need to develop methods for the specification of component sounds. The objectives of this study were to identify perceptually important aspects, link them to acoustic metrics and, based on this, develop guidelines for the determination of requirements for power window sound. Seven prominent attributes were identified: dull, loud, annoying, steady, powerful, overall product quality and under-dimensioned. Effects of auditory stream segregation influenced the results. Power window sounds mainly consist of two sources: motor and window seal scratching. Subjects tended to judge only motor sound. Prediction models developed on isolated motor sound correlated well with judgements. Low loudness, sharpness and motor speed fluctuations led to perceived high product quality. The results emphasise the importance of handling auditory stream segregation and temporal variations in the sound design process.

Place, publisher, year, edition, pages
2009. Vol. 70, no 6, p. 813-820
National Category
Fluid Mechanics and Acoustics
Research subject
Engineering Acoustics
Identifiers
URN: urn:nbn:se:ltu:diva-9417DOI: 10.1016/j.apacoust.2008.09.015ISI: 000264898300004Scopus ID: 2-s2.0-61649117311Local ID: 8078ff50-c774-11dd-941d-000ea68e967bOAI: oai:DiVA.org:ltu-9417DiVA, id: diva2:982355
Note
Validerad; 2009; 20081211 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Nykänen, Arne

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