Objective and subjective evaluations of twenty-three opera houses in Europe, Japan, and the Americas
Identifieur interne : 002381 ( Main/Exploration ); précédent : 002380; suivant : 002382Objective and subjective evaluations of twenty-three opera houses in Europe, Japan, and the Americas
Auteurs : Takayuki Hidaka [Japon, États-Unis] ; Leo L. Beranek [Japon]Source :
- The Journal of the Acoustical Society of America [ 0001-4966 ] ; 2000-01.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
The room acoustical parameters, reverberation time RT, early decay time EDT, clarity factor C80, bass ratio BR, strength G, interaural cross-correlation coefficient IACC, and initial-time-delay gap ITDG [definitions in Hidaka , J. Acoust. Soc. Am. 107, 340-354 (2000) and Beranek, Concert and Opera Halls: How They Sound (Acoustical Society of America, New York, 1996)], were measured in 23 major opera houses under unoccupied conditions in 11 countries: Argentina, Austria, Czech, France, England, Germany, Hungary, Italy, Japan, The Netherlands, and the USA. Questionnaires containing rating scales on the acoustical quality of 24 opera houses were mailed to 67 conductors, 22 of whom responded. The objective measurements were analyzed for reliability and orthogonality, and were related to the subjective responses. Presented are (a) the rankings of 21 opera houses each rated by at least 6 conductors for acoustical quality as heard by them both in the audience areas and in the pit; (b) relations between objective room acoustical parameters and subjective ratings; (c) findings of the most important of the parameters for determining acoustical quality: RT (or EDT), GM, ITDG, [1-IACCE3], texture (appearance of reflectrograms in the first 80-100 ms after arrival of the direct sound), a lower limiting value for BR, and major concern for diffusion and avoidance of destructive characteristics (noise, vibration, echoes, focusing, etc.); (d) the differences between average audience levels with and without enclosed stage sets; and (e) the differences between average levels in audience areas for sounds from the stage and from the pit. © 2000 Acoustical Society of America.
Affiliations:
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Le document en format XML
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Beranek</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Takenaka R&D Institute, 1-5-1, Otsuka, Inzai, Chiba 270-1395, Japan</s1><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country xml:lang="fr">Japon</country><wicri:regionArea>Takenaka R&D Institute, 1-5-1, Otsuka, Inzai, Chiba 270-1395</wicri:regionArea><wicri:noRegion>Chiba 270-1395</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">The Journal of the Acoustical Society of America</title><title level="j" type="abbreviated">J. Acoust. Soc. Am.</title><idno type="ISSN">0001-4966</idno><imprint><date when="2000-01">2000-01</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">The Journal of the Acoustical Society of America</title><title level="j" type="abbreviated">J. Acoust. Soc. Am.</title><idno type="ISSN">0001-4966</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Architectural acoustics</term><term>Experimental study</term><term>Reverberation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>4355F</term><term>Etude expérimentale</term><term>Acoustique architecturale</term><term>Réverbération</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The room acoustical parameters, reverberation time RT, early decay time EDT, clarity factor C<sub>80</sub>, bass ratio BR, strength G, interaural cross-correlation coefficient IACC, and initial-time-delay gap ITDG [definitions in Hidaka , J. Acoust. Soc. Am. 107, 340-354 (2000) and Beranek, Concert and Opera Halls: How They Sound (Acoustical Society of America, New York, 1996)], were measured in 23 major opera houses under unoccupied conditions in 11 countries: Argentina, Austria, Czech, France, England, Germany, Hungary, Italy, Japan, The Netherlands, and the USA. Questionnaires containing rating scales on the acoustical quality of 24 opera houses were mailed to 67 conductors, 22 of whom responded. The objective measurements were analyzed for reliability and orthogonality, and were related to the subjective responses. Presented are (a) the rankings of 21 opera houses each rated by at least 6 conductors for acoustical quality as heard by them both in the audience areas and in the pit; (b) relations between objective room acoustical parameters and subjective ratings; (c) findings of the most important of the parameters for determining acoustical quality: RT (or EDT), G<sub>M</sub>, ITDG, [1-IACC<sub>E3</sub>], texture (appearance of reflectrograms in the first 80-100 ms after arrival of the direct sound), a lower limiting value for BR, and major concern for diffusion and avoidance of destructive characteristics (noise, vibration, echoes, focusing, etc.); (d) the differences between average audience levels with and without enclosed stage sets; and (e) the differences between average levels in audience areas for sounds from the stage and from the pit. © 2000 Acoustical Society of America.</div> </front></TEI><affiliations><list><country><li>Japon</li><li>États-Unis</li></country><region><li>Massachusetts</li></region></list><tree><country name="Japon"><noRegion><name sortKey="Hidaka, Takayuki" sort="Hidaka, Takayuki" uniqKey="Hidaka T" first="Takayuki" last="Hidaka">Takayuki Hidaka</name></noRegion><name sortKey="Beranek, Leo L" sort="Beranek, Leo L" uniqKey="Beranek L" first="Leo L." last="Beranek">Leo L. Beranek</name></country><country name="États-Unis"><region name="Massachusetts"><name sortKey="Hidaka, Takayuki" sort="Hidaka, Takayuki" uniqKey="Hidaka T" first="Takayuki" last="Hidaka">Takayuki Hidaka</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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