摘要
论述了分辨率为768×576的彩色台标、时间、地址信号发生器的基本工作原理,重点讲解了其硬件电路原理,介绍了采用视频频率合成技术进行字幕重叠的方法,并给出了软件的大体流程框图。
This paper deals with the basic principle of colour icon,time and address signal generator with a resolution of 768×576,With the emphasis being given to the principle of hardware circuitry,and describes the mothod for adding subtitles by means of video frequency synthesis.Basic flow chart is given.
出处
《电视技术》
北大核心
1997年第7期60-67,共8页
Video Engineering