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Measurements of variations in binaural transfer functions caused by displacements of sources and receivers
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.ORCID iD: 0000-0002-7048-523X
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.ORCID iD: 0000-0002-2237-878X
2009 (English)In: 38th International Congress and Exposition on Noise Control Engineering 2009: INTER-NOISE 2009 ; Ottawa, Canada, 23 - 26 August 2009 / [ed] J. Stuart Bolton, Red Hook, NY: Curran Associates, Inc., 2009, 4694-4702 p.Conference paper, Published paper (Refereed)
Abstract [en]

Noise generated in cars is transmitted through airborne and structure borne transfer paths into the cabin. Changes in the locations of either the source or the receiver will alter the transfer path. Binaural transfer functions of airborne sound were measured in order to determine how changes in locations of either the source or the receiver affect them. The measurements were performed on a car where the binaural transfer functions for various positions of the source and the receiver were measured directly. In addition, examples of automotive sounds were reproduced through a loudspeaker in the source position and recorded with an artificial head in the receiver position. Changes in perceived sound quality caused by displacements of the source and the receiver position was studied through a listening test and compared to the changes in binaural transfer functions. The results show that the binaural transfer functions are affected by small displacements in location for either the source or the receiver. This variability causes changes in sound quality and must be considered in order to draw correct conclusions from transfer function measurements and sound quality analyses based on artificial head recordings.

Place, publisher, year, edition, pages
Red Hook, NY: Curran Associates, Inc., 2009. 4694-4702 p.
National Category
Fluid Mechanics and Acoustics
Research subject
Engineering Acoustics
Identifiers
URN: urn:nbn:se:ltu:diva-35341Local ID: 9d85f790-bd66-11de-b769-000ea68e967bISBN: 978-1-615-67690-3 (print)OAI: oai:DiVA.org:ltu-35341DiVA: diva2:1008594
Conference
International Congress and Exposition on Noise Control Engineering : 23/08/2009 - 26/08/2009
Projects
CASTT - Centre for Automotive Systems Technologies and Testing
Note
Godkänd; 2009; Bibliografisk uppgift: CD-ROM; 20091020 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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