文章摘要
李佳菊.乐罩对剧院音质参量的影响分析[J].声学技术,2022,41(2):240~245
乐罩对剧院音质参量的影响分析
Analysis of the influence of acoustic reflection cover on acoustic quality parameters of theatres
投稿时间:2021-05-31  修订日期:2022-02-10
DOI:10.16300/j.cnki.1000-3630.2022.02.014
中文关键词: 乐罩  音质参量  剧院
英文关键词: acoustic reflection cover  acoustic parameter  theatres
基金项目:
作者单位E-mail
李佳菊 华东建筑设计研究院有限公司声学及剧院专项设计研究所, 上海 200011 tasainuo@163.com 
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中文摘要:
      乐罩是有自然声演出功能剧场舞台表演区的重要组成部分,其作用是防止有限的自然声能被舞台吸收和逸散,并。文章分析了24座剧院加乐罩前后音质参量实测数据,研究了加乐罩前后音质参量的统计特性。加乐罩后的剧院,在混响时间、早期衰变时间、强度因子、舞台支持度等音质参量上均有显著的提升。
英文摘要:
      Acoustic reflection cover is an important part of the theatre stage performance area with natural sound performance function. Its purpose is to prevent the limited natural sound energy from being absorbed and dissipated by the stage, and to provide good mutual hearing for musicians. In this paper, the measured data in 24 theatres are analyzed to get the statistical characteristics of the acoustic quality parameters before and after assembling acoustic reflection cover, and it is confirmed that significant improvements are achieved in reverberation time, early decay time, strength factor, stage support after assembling the reflection cover.
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