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Acoustic characterization of on-stage performers in performing spaces

机译：表演空间中舞台表演者的声学特征

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The influence of on-stage performers on the acoustic characteristics of performing spaces is significant because the musicians are absorptive and close to the sound source. However, the acoustic information of the musicians and their effect on absorption, scattering, and diffusion remain unclear. The acoustic characteristics of musicians were measured in a reverberation chamber and a semi-anechoic chamber while varying the type of clothes, the instruments, and seating density. The clothing worn showed a larger impact on the absorption per person, whereas the addition of cellos resulted in low-frequency absorption per person. The addition of cellos also increased the scattering and diffusion characteristics. Finally, the total absorption by the musicians under various conditions was analyzed in a concert hall using the simple Sabine equation where the influence of the musician's instruments resulted in reverberation time of more than 0.1 s decrease with about 90 musicians on stage. However, the influences of additional musical instruments resulted in no significant difference in the reverberation time compared to the people alone. In addition, scattering due to the various conditions of orchestra such as the seating density and the addition of musical instrument was not a significant predictor of reverberation time. (C) 2016 Elsevier Ltd. All rights reserved.
机译：舞台上的表演者对表演空间的声学特性的影响是巨大的，因为音乐家会吸收并靠近声源。但是，音乐家的声学信息及其对吸收，散射和扩散的影响仍不清楚。在混响室和半消声室中测量音乐家的声学特性，同时改变衣服的类型，乐器和座位密度。穿着的衣服对人均吸收的影响更大，而大提琴的加入会导致人均吸收的低频。大提琴的加入也增加了散射和扩散特性。最后，在音乐厅中，使用简单的Sabine方程分析了音乐家在各种条件下的总吸收，其中，音乐家乐器的影响导致混响时间减少了0.1 s以上，大约有90位音乐家在舞台上。但是，与单独的人相比，附加乐器的影响导致混响时间没有显着差异。此外，由于管弦乐队的各种条件（例如座位密度和乐器的添加）而导致的散射并不是混响时间的重要预测指标。 （C）2016 Elsevier Ltd.保留所有权利。

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