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Variability in road traffic noise levels

Variability in road traffic noise levels
Variability in road traffic noise levels
Environmental noise levels can vary over a wide range as a result of the diversity of site conditions and activities occurring during field measurements. This variability, extremely important for a correct measurement interpretation, is often a source of disagreement when applying standards and regulations, as there is no consensus about how to estimate and present it. The paper contributes to this technical debate by investigating the statistical variability associated with a large measurement database acquired under field conditions. The database consists of 2 week’s noise recordings at each of 50 separate locations in residential areas affected mainly by road traffic noise. The results show increased variability (standard deviations) at the lower values of either logarithmic or arithmetic mean LAeq over the time periods investigated. It is anticipated that the observed relationships may be of assistance when estimating the noise level variability and the uncertainty associated with a noise measurement affected by road traffic or other environmental noise sources.
statistical variability, uncertainties, measurement, traffic noise, standard deviation
0003-682X
1180-1195
Alberola, J.
b48fb135-c2b9-46ad-a812-fdfdd5ecae8e
Flindell, I.H.
92801193-de59-4b33-af0a-e1a13a77a055
Bullmore, A.J.
320a3079-679c-4ef0-97ab-7bb0c632e9ad
Alberola, J.
b48fb135-c2b9-46ad-a812-fdfdd5ecae8e
Flindell, I.H.
92801193-de59-4b33-af0a-e1a13a77a055
Bullmore, A.J.
320a3079-679c-4ef0-97ab-7bb0c632e9ad

Alberola, J., Flindell, I.H. and Bullmore, A.J. (2005) Variability in road traffic noise levels. Applied Acoustics, 66 (10), 1180-1195. (doi:10.1016/j.apacoust.2005.03.001).

Record type: Article

Abstract

Environmental noise levels can vary over a wide range as a result of the diversity of site conditions and activities occurring during field measurements. This variability, extremely important for a correct measurement interpretation, is often a source of disagreement when applying standards and regulations, as there is no consensus about how to estimate and present it. The paper contributes to this technical debate by investigating the statistical variability associated with a large measurement database acquired under field conditions. The database consists of 2 week’s noise recordings at each of 50 separate locations in residential areas affected mainly by road traffic noise. The results show increased variability (standard deviations) at the lower values of either logarithmic or arithmetic mean LAeq over the time periods investigated. It is anticipated that the observed relationships may be of assistance when estimating the noise level variability and the uncertainty associated with a noise measurement affected by road traffic or other environmental noise sources.

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More information

Published date: 2005
Keywords: statistical variability, uncertainties, measurement, traffic noise, standard deviation
Organisations: Human Sciences Group

Identifiers

Local EPrints ID: 28197
URI: http://eprints.soton.ac.uk/id/eprint/28197
ISSN: 0003-682X
PURE UUID: a225b919-67dd-43af-aac1-70c6cf81a118

Catalogue record

Date deposited: 28 Apr 2006
Last modified: 15 Jul 2019 19:11

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Contributors

Author: J. Alberola
Author: I.H. Flindell
Author: A.J. Bullmore

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