摘要
介绍了键控特技信号的特点，并在此基础上对播出设备-多路键混合放大器进行了较详细的解说。
This paper provides a necessary introduction to the characteristics of keyed special effect signals and, based on this, provides a relatively detailed introduction and analysis to the play-out equipment, i.e.,the multi-channel keyed mixing amplifier.[
出处
《电视技术》
北大核心
1999年第6期26-29,共4页
Video Engineering
关键词
键控特技
自键
外键
电视播出技术
键混合放大器
: Keyed special effect
Self key
External key
Serial keyed special effect
Paralell keyed special effect
