基于电视播出中心的工作实际，论述数字播出系统中数字视频通道的指标测量技术及应引起重视的若干要点。
Based on the practice in TV center, discusses the measuring technology of digital video broadcast channel for master control system and some key points that should be paid enough attention to.
想象一下：您的几个朋友在某个电视节目播出之前正在社交网络上对之加以评论，(一旦开播)您的数字录像机就会自动将它复制下来。
Imagine this: your digital video recorder automatically copies a television show that several of your friends were talking about on a social network before the show went on air.
同样，数字电视转换后的一段时期，播出的数字信号也未必理想。
Also, in the days following the switchover, the digital signals being broadcast are unlikely to be up to snuff.
应用推荐