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首页> 外文会议>Reproduced Sound 21:"Feedback to the Future" >UNUSUAL BEAM-STEERED LOUDSPEAKERS OFFER HOLISTIC SOLUTIONS TO ACOUSTIC PROBLEMS IN COURTS AND PARLIAMENTS
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UNUSUAL BEAM-STEERED LOUDSPEAKERS OFFER HOLISTIC SOLUTIONS TO ACOUSTIC PROBLEMS IN COURTS AND PARLIAMENTS

机译：不寻常的光束转向扬声器为法院和议会中的声学问题提供全面解决方案

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摘要

This paper discusses two unusual beam-steered loudspeakers that provided holistic solutions to acoustic and operational difficulties and constraints in courts in Australia and New Zealand and the NSW State Legislative Assembly in Sydney. In the court situations, the use of the steered-line array loudspeakers that are flush mounted in the ceiling has yielded significant improvements in acoustic gain, source-localisation and early-to-late ratios that are not available with conventional loudspeaker systems. In the Legislative Assembly, the Cardio-Bessel array has allowed high early-to-late ratios to be delivered to listeners over a wide coverage area without the damage to frequency response associated with multi-driver arrays. In all cases, the users of the sound systems have been very positive about the subjective performance of the systems.
机译：本文讨论了两个不寻常的光束转向扬声器，为澳大利亚和新西兰和新西兰的法院提供了全面的解决方案，以及悉尼的NSW州立法大会。在法庭情况下，使用在天花板中安装的转向线阵列扬声器的使用产生了显着的声学增益，源 - 定位和具有传统扬声器系统的早期比率的显着改善。在立法组件中，心脏贝塞尔阵列允许在宽覆盖区域上传送到听众的高早期比，而不会损坏与多驱动器阵列相关的频率响应。在所有情况下，声音系统的用户对系统的主观性能非常积极。

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