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Acoustic intensity as a tool for assessing sound isolation and flanking transmission in lightweight building constructions

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada. NRC Institute for Research in Construction
FormatText, Article
ConferenceInter-Noise '96: 30 July 1996, Liverpool, England
SubjectFlanking
Abstract
The technique of acoustic intensity is used to investigate the sound isolation of lightweight wood frame constructions having various degrees of flanking transmission. The ability of the intensity technique, using a P-P probe, to correctly resolve the radiated sound power of a building element is examined subject to various levels of extraneous noise from adjacent flanking surfaces. The effect on the estimate of sound power is shown to be related to the relative importance of the extraneous noise enclosed in the measurement volume. Masking adjacent surfaces is necessary to achieve a reasonable estimate.
Publication date
LanguageEnglish
Peer reviewedYes
NRC numberNRCC 40086
NRC-IRC-6810
NPARC number20359076
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Record identifiercb4889dd-aaaa-44aa-b771-24bf0e3e6301
Record created2012-07-20
Record modified2020-03-20
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