A study on acoustical design criteria of the balcony configuration in auditoria
礼堂阳台结构声学设计标准研究
基本信息
- 批准号:03452228
- 负责人:
- 金额:$ 4.42万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (B)
- 财政年份:1991
- 资助国家:日本
- 起止时间:1991 至 1993
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A balcony overhang is frequently set up in auditoria. The sectional shape of the under-balcony space is one of the most important factors for good acoustics in auditoria. The acoustical properties under the overhang, however, have not been clarified yet and there is so far no generally accepted criteria for acoustical of the balcony configuration. The object of this study is to make clear the relation between the shape of the balcony and the acoustical properties.As the second step, the subjective effects of the delay time(DELTAt) and the level(L) of reflections from upside is examined by psycho-acoustical experiments, because the structure of early reflections from upside, which is affected by the presence of a balcony, is regarded as one of the causes of acoustical defect under the balcony in auditorium. Simulated music sounds with a single or two reflections are uesd as stimuli. The results show that auditory size of sound image becomes smaller as DELTAt and L are smaller. Next, simulated music sound with early reflections both from horizontal directions and from upside are used as stimuli. The results show that envelopment becomes stroger as vertical component of reflected energy increases when lateral energy fraction is constant. These facts suggest that lack of early reflections from ceiling above main orchestra is a factor for disturbing good acoustics under the balcony.
阳台悬挑是经常设置在科洛尼亚。阳台下空间的截面形状是室内良好声学效果的重要因素之一。然而,悬挑下的声学特性尚未得到澄清,迄今为止还没有普遍接受的阳台配置的声学标准。本研究的目的是弄清阳台的形状与声学特性之间的关系,其次,通过心理声学实验考察了阳台的延迟时间(DELTAt)和上反射声的强度(L)的主观影响,因为阳台的存在影响了早期上反射声的结构,是造成观众厅阳台下音质缺陷的原因之一。模拟音乐声音与一个或两个反射被用作刺激。结果表明,声像的听觉尺寸随着DELTAt和L的减小而减小。接下来,将具有来自水平方向和来自上方的早期反射的模拟音乐声音用作刺激。结果表明,在横向能量分数一定的情况下,反射能量垂直分量越大,反射波的衰减越大。这些事实表明,缺乏来自主乐团上方天花板的早期反射是干扰阳台下良好声学效果的一个因素。
项目成果
期刊论文数量(65)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
NAKAGAWA Masahiro et al.: ""An experimental study on acoustics under the balcony in concert halls"" Tech. Rep. of Kyushu Branch Meeting of A.I.J.Vol.133. 173-176 (1992)
NAKAGAWA Masahiro 等人:“音乐厅阳台下声学的实验研究”Tech。
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FURUYA Hiroshi et al.: ""Relation between the configuration of balcony and the level direct-sound component under the balcony in auditorium"" Trans. of Tech. Group of Architectural Acoust. of A.S.J.AA92-25 (1992)
FURUYA Hiroshi 等人:“礼堂中阳台的配置与阳台下的电平直达声分量之间的关系”Trans。
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FURUYA Hiroshi et al.: ""Effect of early reflections from upside on auditory impression of envelopment"" Tech. Rep. of Annual Meeting of A.S.J. (1994)
FURUYA Hiroshi 等人:“上行早期反射对包围听觉印象的影响”Tech。
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古屋 浩: "An examination on acoustical properties of under-balcony space in concert halls" Proc. of 14th International Congress on Acoustics. F7-7 (1992)
Hiroshi Furuya:“音乐厅阳台下空间的声学特性检查”第 14 届国际声学大会 F7-7(1992 年)。
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古屋 浩: "上方からの初期反射音が空間的印象に与える影響" 日本音響学会講演論文集. 平成6年春. (1994)
Hiroshi Furuya:“来自上方的早期反射声音对空间印象的影响”日本声学学会会议记录,1994 年春季。(1994 年)
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FUJIMOTO Kazutoshi其他文献
Prediction of excess attenuation of road traffic noise by detached houses ; When the height of the sound source changes
独立式住宅对道路交通噪声过度衰减的预测;
- DOI:
- 发表时间:
2004 - 期刊:
- 影响因子:0
- 作者:
ISOGAI Kenji;ANAI Ken;FUJIMOTO Kazutoshi - 通讯作者:
FUJIMOTO Kazutoshi
FUJIMOTO Kazutoshi的其他文献
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{{ truncateString('FUJIMOTO Kazutoshi', 18)}}的其他基金
Estimation of the number of population exposed by high level road traffic noise for a study of health risk caused by noise
估计受到高水平道路交通噪声影响的人口数量,以研究噪声引起的健康风险
- 批准号:
24560715 - 财政年份:2012
- 资助金额:
$ 4.42万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
A study on predicting method of insertion loss of road traffic noise by detached houses at the areas feeing road
道路通电地区独立式住宅道路交通噪声插入损失预测方法研究
- 批准号:
15560513 - 财政年份:2003
- 资助金额:
$ 4.42万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on construction of the database of architectural and environmental sound sources and its application
建筑与环境声源数据库建设及应用研究
- 批准号:
13355023 - 财政年份:2001
- 资助金额:
$ 4.42万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
A study on road traffic noise control considering the arrangement of houses
考虑房屋布置的道路交通噪声控制研究
- 批准号:
09450218 - 财政年份:1997
- 资助金额:
$ 4.42万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
A multimedia educational system on architectural acoustics by using the Internet
利用Internet的建筑声学多媒体教育系统
- 批准号:
07555183 - 财政年份:1995
- 资助金额:
$ 4.42万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
A Study of Acoustical Design of Under-Balcony Space in Auditoria
礼堂阳台下空间声学设计研究
- 批准号:
06650657 - 财政年份:1994
- 资助金额:
$ 4.42万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Prediction of Sound Attenuation of Road Traffic Noise During Propagation in Urban Area
城市地区道路交通噪声传播过程中的声衰减预测
- 批准号:
63460178 - 财政年份:1988
- 资助金额:
$ 4.42万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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