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Examination of the variability between artificial head recordings made in different cars of the same brand and model
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.
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, 4687-4693 p.Conference paper, Published paper (Refereed)
Abstract [en]

Artificial heads are commonly used for the recording of samples intended for sound quality evaluations. When results from listening tests and psychoacoustic analyses shall be compared it is important to be aware of the variability between measurements made under similar conditions. To study this kind of variability, the interior sounds of five passenger cars of the same brand, model and production year were recorded binaurally. The recordings were made using two different artificial heads (Head Acoustics HMS I and HMS III) and a binaural microphone headset (Head Acoustics BHM). The recordings were made at constant speed on a test track with controlled surface roughness. Based on the recordings loudness, sharpness, roughness and annoyance were judged in a listening test. The results show how the sound quality can be expected to vary between specimen of cars of the same brand and model. This observed variability was compared to the accuracy of the three different binaural microphones used.

Place, publisher, year, edition, pages
Red Hook, NY: Curran Associates, Inc., 2009. 4687-4693 p.
National Category
Fluid Mechanics and Acoustics
Research subject
Engineering Acoustics
Identifiers
URN: urn:nbn:se:ltu:diva-40099Local ID: f1577200-bd65-11de-b769-000ea68e967bISBN: 978-1-615-67690-3 (print)OAI: oai:DiVA.org:ltu-40099DiVA: diva2:1013622
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: 2016-10-03 Created: 2016-10-03 Last updated: 2017-10-19Bibliographically approved

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