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Acoustic measurements and the individual subjective evaluation for sound fields

Identifieur interne : 000062 ( PascalFrancis/Curation ); précédent : 000061; suivant : 000063

Acoustic measurements and the individual subjective evaluation for sound fields

Auteurs : Hiroyuki Sakai [Japon]

Source :

RBID : Pascal:01-0312247

Descripteurs français

English descriptors

Abstract

Acoustical measurements and individual subjective evaluations for sound fields were performed based on a model of the human auditory-brain system and subjective preference theory. In the acoustic measurement section, orthogonal factors in historical opera houses and outdoor sound fields in forests are discussed. In the subjective evaluation section, individual differences and intra-individual changes of subjective preference are described in terms of the orthogonal factors. The main conclusions are as follows: (1) In acoustic measurements in a forest and in a bamboo forest, it is found that multiple scattering effects between trees or bamboo improve IACC; (2) Results of a preference test in an existing opera house show that subjective preference theory can be applied to opera houses, including the orchestra pit and the box seats; (3) Coefficient is introduced for individual preference in a sound field; and (4) The investigations of preference tests in relation to listening level (LL) and subsequent reverberation time (Tsub) for a simulated sound field show that subjects with a large value of α have small intra-individual changes, so the range of its preferred value is small. On the other hand, subjects with small value have minor preference as its parameter is changed. Thesis advisor: Yoichi Ando Copies of this thesis written in English can be obtained from Hiroyuki Sakai, Graduate School of Science and Technology, Kobe University, Rokkodai, Nada, Kobe 657-8501 Japan. E-mail address: sakaih@kobe-u.ac.jp.
pA  
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A02 01      @0 JASMAN
A03   1    @0 J. Acoust. Soc. Am.
A05       @2 110
A06       @2 1
A08 01  1  ENG  @1 Acoustic measurements and the individual subjective evaluation for sound fields
A11 01  1    @1 SAKAI (Hiroyuki )
A14 01      @1 Graduate School of Science and Technology, Kobe University, Kobe, Japan @Z 1 aut.
A20       @2 p. 28
A21       @1 2001-07
A23 01      @0 ENG
A43 01      @1 INIST @2 129
A44       @0 8100 @1 © 2001 American Institute of Physics. All rights reserved.
A47 01  1    @0 01-0312247
A60       @1 P @3 E
A61       @0 A
A64 01  1    @0 The Journal of the Acoustical Society of America
A66 01      @0 USA
C01 01    ENG  @0 Acoustical measurements and individual subjective evaluations for sound fields were performed based on a model of the human auditory-brain system and subjective preference theory. In the acoustic measurement section, orthogonal factors in historical opera houses and outdoor sound fields in forests are discussed. In the subjective evaluation section, individual differences and intra-individual changes of subjective preference are described in terms of the orthogonal factors. The main conclusions are as follows: (1) In acoustic measurements in a forest and in a bamboo forest, it is found that multiple scattering effects between trees or bamboo improve IACC; (2) Results of a preference test in an existing opera house show that subjective preference theory can be applied to opera houses, including the orchestra pit and the box seats; (3) Coefficient is introduced for individual preference in a sound field; and (4) The investigations of preference tests in relation to listening level (LL) and subsequent reverberation time (Tsub) for a simulated sound field show that subjects with a large value of α have small intra-individual changes, so the range of its preferred value is small. On the other hand, subjects with small value have minor preference as its parameter is changed. Thesis advisor: Yoichi Ando Copies of this thesis written in English can be obtained from Hiroyuki Sakai, Graduate School of Science and Technology, Kobe University, Rokkodai, Nada, Kobe 657-8501 Japan. E-mail address: sakaih@kobe-u.ac.jp.
C02 01  X    @0 001B40C55
C03 01  3  FRE  @0 4355B @2 PAC @4 INC
C03 02  3  FRE  @0 Etude expérimentale
C03 02  3  ENG  @0 Experimental study
C03 03  3  FRE  @0 Encéphale
C03 03  3  ENG  @0 Brain
C03 04  3  FRE  @0 Audition
C03 04  3  ENG  @0 Hearing
C03 05  3  FRE  @0 Oreille
C03 05  3  ENG  @0 Ear
C03 06  3  FRE  @0 Champ acoustique
C03 06  3  ENG  @0 Acoustic field
C03 07  3  FRE  @0 Acoustique musicale
C03 07  3  ENG  @0 Musical acoustics
C03 08  3  FRE  @0 Acoustique architecturale
C03 08  3  ENG  @0 Architectural acoustics
C03 09  3  FRE  @0 Diffusion onde acoustique
C03 09  3  ENG  @0 Acoustic wave scattering
N21       @1 211
N47 01  1    @0 0127M000218

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