Probe on Raising Audio-Visual Quality for Microteaching System
Chao Su · 2002
The standard of project and installation for microteaching system is higher.Scientific project and right installation are required in order to avoid muddy sound and noise,pictorial distorion,and lower visibility,even various electric-magnetic interference.How to raise the audio-visual quality,this article explores the acoustics design and installing technique of lamps and audio-visual devices respectively.