论文部分内容阅读
近几年来,我台的实况直播节目量不断增加,实况直播节目的开播时间、播出时间长度及节目的结束时间等时间的计算、设置和节目长度的控制等,常常给节目导播人员带来麻烦。为解决这一问题,我们台提出了建设倒计时数字时钟系统的任务,使计时系统更好地为实况直播等各项播出任务提供便捷的服务。 1.系统的设计我台的倒计时数字时钟系统大体分两个部分,第一部分即是设在总控制室的自动校时母钟和时码转换器,它们的作用即是接收中央电视台送来的场
In recent years, the number of live broadcast programs in Taiwan has been continuously increasing. The time of live broadcast, the length of live broadcast, the end of the program, the setting of the time and the control of the program length are often brought to the program guide trouble. In order to solve this problem, our station proposed the task of building a countdown digital clock system to make the timing system provide better and more convenient services for various broadcast tasks such as live broadcasts. 1. System Design My countdown digital clock system roughly divided into two parts, the first part is located in the total control room automatic timing mother clock and time code converter, their role is to receive the CCTV field