A diagnostic system measuring or thogonal factors of sound fields in a scale model of auditorium
Identifieur interne : 000695 ( PascalFrancis/Checkpoint ); précédent : 000694; suivant : 000696A diagnostic system measuring or thogonal factors of sound fields in a scale model of auditorium
Auteurs : M. Sakurai [Japon] ; S. Aizawa [Japon] ; Y. Suzumura [Japon] ; Y. Ando [Japon]Source :
- Journal of sound and vibration [ 0022-460X ] ; 2000.
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Abstract
Based on the model of auditory-brain system which consists of the autocorrelation mechanism, the interaural cross-correlation mechanism between both the auditory pathways, and the specialization of human cerebral hemispheres (Y. Ando 1998 Architectural Acoustics, Blending Sound Sources, Sound Fields, and Listeners New York: AIP Press/Springer-Verlag), a new diagnostic system was developed. After obtaining the binaural impulse response, four orthogonal factors including the SPL, the initial time-delay gap between the direct sound and the first reflection, the subsequent reverberation time and the IACC can be analyzed for the calculation of the scale values of both global and individual subjective preferences. In addition, two more factors extracted from the interaural cross-correlation function τIACC and WIACC, can be figured out. Also, the sound energy, ϕ(0), the effective duration, τe, and fine structures of autocorrelation function of sound signals including the magnitude of first maximum, ϕ1, and its delay time, τ1, can be analyzed. As an example of the measurement, effects of reflectors' array above the stage in a 1/10 scale model of auditorium at each seat are discussed here.
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Sakurai</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Graduate School of Science and Technology, Kobe University, 1 Rokkodai</s1><s2>Nada, Kobe 657-8501</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Nada, Kobe 657-8501</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Yoshimasa Electronic Inc., 1-58-10 Yoyogi</s1><s2>Shibuya, Tokyo 151-0053</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><placeName><settlement type="city">Tokyo</settlement></placeName></affiliation></author><author><name sortKey="Aizawa, S" sort="Aizawa, S" uniqKey="Aizawa S" first="S." last="Aizawa">S. 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Sakurai</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Graduate School of Science and Technology, Kobe University, 1 Rokkodai</s1><s2>Nada, Kobe 657-8501</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Nada, Kobe 657-8501</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Yoshimasa Electronic Inc., 1-58-10 Yoyogi</s1><s2>Shibuya, Tokyo 151-0053</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><placeName><settlement type="city">Tokyo</settlement></placeName></affiliation></author><author><name sortKey="Aizawa, S" sort="Aizawa, S" uniqKey="Aizawa S" first="S." last="Aizawa">S. Aizawa</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Yoshimasa Electronic Inc., 1-58-10 Yoyogi</s1><s2>Shibuya, Tokyo 151-0053</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Japon</country><placeName><settlement type="city">Tokyo</settlement></placeName></affiliation></author><author><name sortKey="Suzumura, Y" sort="Suzumura, Y" uniqKey="Suzumura Y" first="Y." last="Suzumura">Y. Suzumura</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Graduate School of Science and Technology, Kobe University, 1 Rokkodai</s1><s2>Nada, Kobe 657-8501</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Nada, Kobe 657-8501</wicri:noRegion></affiliation></author><author><name sortKey="Ando, Y" sort="Ando, Y" uniqKey="Ando Y" first="Y." last="Ando">Y. Ando</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Graduate School of Science and Technology, Kobe University, 1 Rokkodai</s1><s2>Nada, Kobe 657-8501</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Nada, Kobe 657-8501</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of sound and vibration</title><title level="j" type="abbreviated">J. sound vib.</title><idno type="ISSN">0022-460X</idno><imprint><date when="2000">2000</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of sound and vibration</title><title level="j" type="abbreviated">J. sound vib.</title><idno type="ISSN">0022-460X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acoustic energy</term><term>Architectural acoustics</term><term>Auditorium</term><term>Auditory pathway</term><term>Autocorrelation</term><term>Autocorrelation function</term><term>Cerebral hemisphere</term><term>Cross correlation</term><term>Delay time</term><term>Measuring system</term><term>Pulse response</term><term>Reflector</term><term>Reverberation time</term><term>Sound source</term><term>Subjective evaluation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Acoustique architecturale</term><term>Source sonore</term><term>Auditorium</term><term>Autocorrélation</term><term>Corrélation croisée</term><term>Voie auditive</term><term>Hémisphère cérébral</term><term>Réponse impulsion</term><term>Temps réverbération</term><term>Evaluation subjective</term><term>Energie acoustique</term><term>Fonction autocorrélation</term><term>Temps retard</term><term>Réflecteur</term><term>Système mesure</term><term>4355</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Based on the model of auditory-brain system which consists of the autocorrelation mechanism, the interaural cross-correlation mechanism between both the auditory pathways, and the specialization of human cerebral hemispheres (Y. Ando 1998 Architectural Acoustics, Blending Sound Sources, Sound Fields, and Listeners New York: AIP Press/Springer-Verlag), a new diagnostic system was developed. After obtaining the binaural impulse response, four orthogonal factors including the SPL, the initial time-delay gap between the direct sound and the first reflection, the subsequent reverberation time and the IACC can be analyzed for the calculation of the scale values of both global and individual subjective preferences. In addition, two more factors extracted from the interaural cross-correlation function τ<sub>IACC</sub> and W<sub>IACC</sub>, can be figured out. Also, the sound energy, ϕ(0), the effective duration, τ<sub>e</sub>, and fine structures of autocorrelation function of sound signals including the magnitude of first maximum, ϕ<sub>1</sub>, and its delay time, τ<sub>1</sub>, can be analyzed. 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Technical Committee of Architectural Acoustics</s1><s3>USA</s3><s9>patr.</s9></fA18><fA20><s1>231-237</s1></fA20><fA21><s1>2000</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>11530</s2><s5>354000087541380170</s5></fA43><fA44><s0>0000</s0><s1>© 2000 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>10 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>00-0261852</s0></fA47><fA60><s1>P</s1><s2>C</s2></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of sound and vibration</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Based on the model of auditory-brain system which consists of the autocorrelation mechanism, the interaural cross-correlation mechanism between both the auditory pathways, and the specialization of human cerebral hemispheres (Y. Ando 1998 Architectural Acoustics, Blending Sound Sources, Sound Fields, and Listeners New York: AIP Press/Springer-Verlag), a new diagnostic system was developed. 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Sakurai</name></noRegion><name sortKey="Aizawa, S" sort="Aizawa, S" uniqKey="Aizawa S" first="S." last="Aizawa">S. Aizawa</name><name sortKey="Ando, Y" sort="Ando, Y" uniqKey="Ando Y" first="Y." last="Ando">Y. Ando</name><name sortKey="Sakurai, M" sort="Sakurai, M" uniqKey="Sakurai M" first="M." last="Sakurai">M. Sakurai</name><name sortKey="Suzumura, Y" sort="Suzumura, Y" uniqKey="Suzumura Y" first="Y." last="Suzumura">Y. Suzumura</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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