多媒体报告厅声反馈产生原因及其对策

The reasons and the treatments of acoustical feedback in the multimedia report hall

分析了声反馈产生的原因,探讨了提高多媒体报告厅扩声系统传声系统传声增益的对策,提出了使用频率均衡器、窄带滤波器反馈抑制器是已建多媒体报告厅抑制声反馈的最佳途径,提高音响调控人员的能力水平是当务之急。

This paper discusses the cause of the production of acoustical feedback and the countermeasures to improve sound transmission gain of the sound amplifying system in the multimedia report hall.The use of feedback eliminator is supposed to be the best way to deal with the acoustical feedback of the multimedia report hall.