基于移频扩声系统在多媒体教室中的设计  

Design of Multimedia Classroom Based on Moving Frequency Sound Reinforcement System

作　　者：沈渝平[1] 刘永梅[1] 

机构地区：[1]重庆工学院电化教育中心,重庆400050

出　　处：《电声技术》2004年第5期17-18,共2页Audio Engineering

摘　　要：分析了移频扩声系统的组成及主要特点,针对多媒体教室的扩声系统容易产生回声和啸叫等不足,提出了一种多媒体教室移频扩声系统的设计方案。该方案已经成功用于重庆工学院多媒体教室,有效地解决了声场产生声啸叫和多点拾音产生梳状频响失真问题。The constitution and the features of frequency shift sound reinforcement are analyzed.The application to the multimedia classroom in Chongqing Institute of Technology is presented.It has solved the problems of howling in the sound field and the combing frequency response distortion caused by multi-point pickup.

关 键 词：移频扩声 多媒体教室 啸叫 回声 多点拾音 梳状频响失真 

分 类 号：TU112.435[建筑科学—建筑理论]