影响多媒体教室音频重放质量的因素及改进措施  

Factors Affecting Quality of Audio Playback in Multimedia Classroom and Improvement Measures Teaching

作　　者：刘立权 LIU Liquan

机构地区：[1]山东农业大学网络信息技术中心,271000

出　　处：《中国教育技术装备》2020年第2期19-21,25,共4页China Educational Technology & Equipment

摘　　要：多媒体教室普遍存在扩声混浊,混响时间偏长等现象,直接影响授课效果。简析其影响因素,从实用角度提出改进重放质量的措施,对目前多媒体教室建设具有参考意义。There are many problems in multimedia classroom,such as turbid sound reinforcement and long reverberation time,which directly exert impact on the teaching effect.This paper analyzes theinfluence factors and puts forward the measures to improve the playback quality from the practical point of view with the hope to provide reference in the construction of multimedia classroom.

关 键 词：多媒体教室 拾音器 音箱 吸声材料 扩声系统 重放系统 

分 类 号：G481[文化科学—教育学]