文章摘要
顾善勇,沈小祥,沈勇.小矩形室内低音扬声器和传声器互易性的研究[J].声学技术,2003,(3):173~175
小矩形室内低音扬声器和传声器互易性的研究
Reciprocity between microphone and woofer in small rectangular room
投稿时间:2002-01-04  修订日期:2002-03-27
DOI:
中文关键词: 矩形小房间  互换  一致性
英文关键词: small rectangular room  exchange  coherence
基金项目:高等学校骨干教师资助计划资助
作者单位
顾善勇 南京大学声学研究所, 南京, 210093 
沈小祥 南京大学声学研究所, 南京, 210093 
沈勇 南京大学声学研究所, 南京, 210093 
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中文摘要:
      在矩形小房间内,低音扬声器和传声器的位置互换后,测量得到的低音扬声器的频响曲线与互换前是一致的。文章根据波动声学的观点对房间内的低频段声场做分析,理论和实验都验证了这个结论。这个结论应用于确定低音扬声器摆位时,将省去把低音扬声器搬来搬去的麻烦。
英文摘要:
      When positions of a microphone and a woofer are exchanged in a small rectangular room, a similar frequency response curve can be obtained.Based on wave acoustics, the low frequency sound field is analyzed in this paper, and reciprocity is verified both theoretically and experimentally.Moving the woofer can be replaced by moving the microphone in finding the best placement of the woofer.
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