Acoustics in coupled rooms: modelling and data analysis
Acoustics in coupled rooms: modelling and data analysis
复制标题
耦合房间的声学：建模和数据分析
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
J. Summers
中科院分区：
文献类型：
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作者：
N. Xiang;J. Summers
声学设计师越来越多地将耦合房间纳入表演艺术空间。这样的设计
包括与音乐厅主要观众室相连的二级混响室和改编
歌剧院和剧院供音乐厅使用，通过可调节的管弦乐队外壳连接观众
房间到舞台室。这些应用促进了对耦合房间声场的研究
系统。了解统计声学 (SA) 的可能性和局限性
随着预测的进行，几何声学 (GA) 建模工具的有效性得到了重新检验。更正
并且改进正在被纳入可用的 GA 算法中。使用光能传递的数值技术
扩散理论也已出现，以应对耦合房间声学预测的挑战
系统。为了验证，物理比例建模技术已成为特别相关的研究
工具。尽管取得了所有这些快速发展，但仍然需要有科学依据的分析方法
对耦合房间系统中声场的客观和主观评估，无论是在数值方面
建模、物理比例建模或真实大厅测量。在简要回顾了建模技术之后，
给出了贝叶斯衰减分析的结果，用于表征从以下位置获得的声能衰减
数值模拟和实验测量。
Acoustical designers are increasingly incorporating coupled rooms in performing-arts spaces. Such designs
include reverberant secondary rooms coupled to main audience chambers in concert halls and adaptation of
opera houses and theatres for concert-hall use via adjustable orchestra shells that couple audience
chambers to stage houses. These applications have prompted research on sound fields in coupled-room
systems. Having developed an understanding of the possibilities and limitations of statistical-acoustics (SA)
predictions, the validity of geometrical-acoustics (GA) modelling tools has been re-examined. Corrections
and improvements are being incorporated into available GA algorithms. Numerical techniques using radiosity
and diffusion theory have also emerged to cope with challenges in prediction of acoustics in coupled-room
systems. For validation, physical scale-modelling techniques have become particularly relevant research
tools. Despite all of these rapid developments, scientifically grounded analysis methods are still needed for
objective and subjective evaluations of sound fields in coupled-room systems, whether in terms of numerical
modelling, physical scale modelling, or real-hall measurements. After a brief review of modelling techniques,
results are presented of Bayesian decay analysis in characterization of sound-energy decays obtained from
numerical modelling and experimental measurements.