<紀要論文>
音源の指向性が室内音場評価に与える影響 : 幾何音響シュミレーションによる検討

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概要 The purpose of this study is to make clear the effect of fundamental characteristics of sound source on the stage of auditoria, that is, directivity pattern, orientation of main axis and location of s...ource, on the acoustical properties which are ordinarily estimated with omni-directional source in design process. Impulse responses are calculated in simple models of room shape and real hall models by means of computer simulation based on geometrical acoustics when the directional distribution of sound source is varied. The relation between the directionality, the location of sound source and acoustical quantities, which are obtained from impulse responses, is examined. The result shows that there is a significant difference between the acoustic quantities obtained by using omni-directional sound source and directional ones, and it suggests that fundamental characteristics of sound source are very important factors in the acoustic evaluation of concert auditoria.続きを見る

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jaud002_p109 pdf 6.26 MB 209  

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登録日 2012.12.11
更新日 2020.11.27

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