高校自办高清有线电视现场直播节目故障排解一例

Troubleshooting of a High Definition Cable TV Live Program in Colleges and Universities

近些年来,虽然高校自办校园电视台和定期播出特色节目已是司空见惯,但是,录播居多,现场直播非常鲜见。武警工程大学由于自身特殊原因,自办了校园高清有线电视现场直播节目,然而在试播之初就遭遇了挫折。围绕出现的问题,对任务需求和设计原理进行了概括阐述,对故障现象进行了描述,对故障背后可能的原因进行了逐步分析,并排查解决了故障,总结顺利进行高清有线电视现场直播的相关经验。

In recent years, it has been common for colleges and universities to set up campus TV stations and regularly broadcast special programs. However, most of them are recorded and live programs are rare. Due to its special reasons, the Engineering University of PAP has set up a live broadcast of high-definition cable TV on campus. However, it suffered setbacks at the beginning of the trial broadcast. Focusing on the problems, this article summarizes the task requirements and design principles, describes the fault phenomenon, analyzes the possible causes behind the faults, solves the faults, and concludes the relevant experience of successful high-definition cable TV live broadcast.