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Optimizating the seats surrounding the platform in a recital hall when considering source directivity

机译：考虑放射源方向性时，优化演奏厅中平台周围的座位

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摘要

The influence of source directivity can be significant for solo and chamber music performances, particularly for arena type halls that have improved visual intimacy for the audience. Computer simulation was performed to analyze the possibility of optimizing the acoustical qualities of a 4000-m~3 recital hall with a significant portion of seats surrounding the platform when considering source directivity. The effects of surface treatments, length-to-width proportion, seating arrangement and platform location were evaluated. Most acoustical parameters derived from a baritone singer source were categorized as one factor that can be best represented by 2-kHz band early sound strength G_E. Regardless of room proportion, front-back 2-kHz band energy difference derived from optimized models can be controlled within 4 dB, a value much smaller than the difference in direct component.
机译：源方向性的影响对于独奏和室内音乐表演尤其重要，特别是对于竞技场类型的大厅，这些大厅为观众带来了视觉亲密感。考虑到声源的方向性，进行了计算机仿真以分析优化4000-m〜3的独奏厅的声学质量的可能性，该厅的大部分座位围绕平台。评估了表面处理，长宽比，座椅布置和平台位置的影响。源自男中音歌手源的大多数声学参数被归类为可以由2 kHz频段早期声音强度G_E最好地代表的一个因素。不管房间的比例如何，从优化模型得出的前后2 kHz频带能量差都可以控制在4 dB以内，该值比直接分量的差小得多。

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