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Active noise control barrier for national road in South Korea: Part I Preliminary noise study and electro-acoustic hardware design

机译:韩国国道的主动噪声控制屏障:第一部分初步噪声研究和电声硬件设计

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Traffic noise annoyance in dwelling area like private houses and apartment is becoming very important issue nowadays in South Korea and need to be solved. In this paper frequency analysis of the traffic noise near highways was performed. Based on sound pressure levels analyses and theirs frequency content specific requirements for component of active noise control systems are formulated. Active compensational loudspeaker, microphone front end and DSP design were analysed, considered and proposed. Required components specifications and design solutions for electro-acoustic hardware are verified using experimental technique.
机译:如今,在住宅区(如私人住宅和公寓)中,交通噪声烦扰已成为当今韩国非常重要的问题,亟待解决。本文对高速公路附近的交通噪声进行了频率分析。基于声压级分析及其频率含量,制定了有源噪声控制系统组件的特定要求。对有源补偿扬声器,麦克风前端和DSP设计进行了分析,考虑和提出。使用实验技术验证了电声硬件所需的组件规格和设计解决方案。

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