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Design of a quiet space with an acoustic canopy within alarge reverberant room

机译：在一个大混响室内设计一个带有声学顶篷的安静空间

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摘要

The Montshire Museum of Science, Norwich, Vermont recently underwent a major buildingrnrenovation resulting in a large ±4000 cu. meter reverberant space occupied by a wide variety ofrnscience exhibits and often filled with many excited and noisy children. The reception desk andrnadministrative center, however, was placed within this large space and was subjected torncontinuous high noise levels which precluded normal speech communication between the staffrnmembers and visitors. The Speech Interference Level (SIL) was determined to exceed acceptedrncriteria by approximately 10 dB with a measured SIL of 60 to 63 dB. The purpose of this paper isrnto (1) detail the design and implementation of an acoustic canopy over the reception area whichrnoccupies approximately 1% of the total volume and (2) present the improvements achieved in thernreception area including reductions in noise levels and improvements in speech communication.rnStaff members may now enjoy a lower background noise of distant children whilerncommunicating effectively with each other and visitors. The design can be readily adapted to arnvariety of community and industrial applications in which open accessibility to the quiet space isrnrequired.
机译：佛蒙特州诺里奇市的蒙特郡科学博物馆最近进行了一次大型建筑翻新，结果造成了±4000立方米的大面积翻新。米的混响空间被各种各样的科学展览所占据，常常充满了许多兴奋而嘈杂的孩子。但是，接待台和行政中心被放置在如此大的空间内，并且受到连续不断的高噪音声级的影响，从而妨碍了工作人员和访客之间的正常语音交流。确定的语音干扰水平（SIL）超出公认标准约10 dB，并且测得的SIL为60至63 dB。本文的目的是（1）详细介绍在接收区域占据大约总体积1％的声学顶篷的设计和实现，以及（2）提出在接收区域实现的改进，包括降低噪音水平和改善语音质量员工现在可以有效地减少与远方孩子的背景噪音，同时又可以与彼此和访客进行有效的沟通。该设计可以很容易地适应各种社区和工业应用，其中要求对安静空间的开放访问。

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  • 来源
    《Proceedings of NOISE-CON 08》|2008年|p.1-8|共8页
  • 会议地点 Dearborn MI(US);Dearborn MI(US);Dearborn MI(US)
  • 作者

    Robert Collier; Kenneth Kaliski;

  • 作者单位

    Thayer School of Engineering Dartmouth College 8000 Cummings Hall Hanover, NH 03755 Email: Robert.d.collier@dartmouth.edu;

    rnResource Systems Group, Inc. 55 Railroad Row White River Junction, VT 05001 Email: kkaliski@rsginc.com;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 振动、噪声及其控制;
  • 关键词

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