Evaluating standard airborne sound insulation measures in terms of annoyance, loudness and audibility ratings

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DOIResolve DOI: http://doi.org/10.1121/1.3192347
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TypeArticle
Journal titleJournal of the Acoustical Society of America
Volume126
Issue1
Pages208219; # of pages: 12
Subjectsound insulation rating, airborne sound insulation, annoyance, loudness, audibility; Office acoustics
AbstractThis paper considers a number of other measures including signal-to-noise ratios related to the intelligibility of speech and measures related to the loudness of sounds. An exploration of the importance of the includedfrequencies showed that the optimum ranges of included frequencies were different for speech and music sounds. Measures related to speech intelligibility were useful indicators of responses to speech sounds but were not as successful for music sounds. A-weighted level differences, signal-to-noise ratios and an A-weighted sound transmission loss measure were good predictors of responses when the included frequencies were optimized for each type of sound. The addition of new spectrum adaptation terms to Rw values were found to be the most practical approach for achieving more accurate predictions of subjective ratings of transmitted speech and music sounds.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number53560
21230
NPARC number20329228
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Record identifier36e1a11c-2223-4721-9ce4-6a3297a3bc0d
Record created2012-07-18
Record modified2016-05-09
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