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Acoustical design and measurement of a circular hall, improving a spatial factor at each seat

Identifieur interne : 002563 ( Main/Exploration ); précédent : 002562; suivant : 002564

Acoustical design and measurement of a circular hall, improving a spatial factor at each seat

Auteurs : A. Takatsu [Japon] ; S. Hase [Japon] ; H. Sakai [Japon] ; S. Sato [Japon] ; Y. Ando [Japon]

Source :

RBID : Pascal:00-0263234

Descripteurs français

English descriptors

Abstract

A round-shaped multi-purpose-event hall with 400 seats (ORBIS Hall: Kobe, Japan) was designed based on the subjective-preference theory of sound fields. To maximize the total scale value of subjective preference at each seat, various is pieces of acoustical equipment were designed. One of the four orthogonal factors of a sound field, the IACC was taken into consideration to ensure the effects of the equipment by acoustical simulation in the design stage. After construction of the hall, acoustical measurements of IA CC were conducted by use of two music motifs. The IACC using the music motifs was much improved due to scattered reflectors, which are installed at each sidewall, and near to and in ceilings, than that of the simulation in the design stage.


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Le document en format XML

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<div type="abstract" xml:lang="en">A round-shaped multi-purpose-event hall with 400 seats (ORBIS Hall: Kobe, Japan) was designed based on the subjective-preference theory of sound fields. To maximize the total scale value of subjective preference at each seat, various is pieces of acoustical equipment were designed. One of the four orthogonal factors of a sound field, the IACC was taken into consideration to ensure the effects of the equipment by acoustical simulation in the design stage. After construction of the hall, acoustical measurements of IA CC were conducted by use of two music motifs. The IACC using the music motifs was much improved due to scattered reflectors, which are installed at each sidewall, and near to and in ceilings, than that of the simulation in the design stage.</div>
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