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小空间的声学设计是建筑声学设计中的一个大类,小空间主要包括录音室、琴房、Hi-Fi音响房、小型专业视听室等具有较高声学要求的空间,由于其空间小的特点,声音在其中的传播规律与剧院等专业观演建筑空间有着显著的区别,容易引起驻波、振颤回声、声染色等声学缺陷。圆形的空间,其室内的声场处理更加重要,除容易出现普通空间的声学问题外,还会产生严重的声聚焦现象。本文结合中电声学解决方案设计中心实施的一个圆形私人影院的声学设计,主要从圆形空间存在的声学现象及设计方法进行简要介绍。
Acoustic design of small space is one of the major categories of architectural acoustics design. The small space mainly includes the space with high acoustic requirements such as recording room, piano room, Hi-Fi audio room and small professional audio-visual room. Due to its small space There is a significant difference between the propagation laws of sound and the architectural performances of theaters such as theaters, which easily cause acoustic defects such as standing waves, chattering and acoustic staining. Circular space, the indoor sound field processing more important, in addition to prone to acoustic problems in ordinary space, but also produce serious acoustic focus phenomenon. In this paper, the acoustic design of a circular private theater implemented by the Central Electro-acoustic Solution Design Center is mainly introduced from the acoustic phenomena and design methods existing in the circular space.