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A subjective evaluation of new acoustic measures in concert halls using binaural simulation

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada. NRC Institute for Research in Construction
FormatText, Article
ConferenceProceedings Sabine Centennial Symposium: 01 June 1994, Cambridge, Mass., U.S.A.
SubjectAcoustics
Abstract
About a h,undred years have passed since Sabine proposed his measure of reverberation time as apredictor of the acoustic quality of a concert hall. Since then, as a result of extensive research and ourability to make increasingly precise acoustical measurements, researchers have proposed many otherobjective measures as predictors of a concert hall's acoustic quality. In this paper, a series of experimentswere conducted to evaluate the suitability of several acoustical measures as predictors of subjectivejudgements. Subjects were asked to rank binaurally reproduced sound fields in terms of reverberance,clarity, loudness, envelopment, treble, bass, apparent source width, and overall preference. The binauralimpulse responses were measured in several North American concert halls and were chosen so as to cover asbroad a range as possible with respect to RT60, EDT, C80, G, IACC and LF values. The results of thesetests were then correlated with the various objective measures on an octave band basis to find the bestpredictor of each subjective parameter. The relative importance of the various subjective parameters to theoverall preference of these sound fields was also examined.
Publication date
LanguageEnglish
Peer reviewedYes
NRC numberNRCC 38814
NRC-IRC-7060
NPARC number20338258
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Record identifier664f25b5-306c-49dd-9571-f002a85c9a3c
Record created2012-07-19
Record modified2020-04-27
Date modified: