Digital Tv Signal Monitoring System Design And Implementation

As of the end of January2011,cable digital TV users in China has more than90million, to90,392,000, and digital cable to reach the degree of48.26%.Since2009,cable digital TV users in2consecutive years of growth in more than20million, thatmeans the digital cable comes into the phase of rapid development. At the same time asthe era of triple play, radio and television industry is also faced with both opportunitiesand challenges especially for cable Network Company. How to compete in the newsituation to get the initiative is a long-term consideration for radio and televisionoperators.As a result, continuing to enhance the user experience, holding on a large numberof existing users, to upgrade the quality and quantity of content resources, andconverting more users into the high ARPU (Average Revenue Per User) value ones isPriority. Therefore, a robust, reliable, powerful, adaptable monitoring system for today’sradio and television operators will be more and more important.However, with the development trend of the advance, the monitoring system itselfis facing greater challenges. Existing monitoring systems and monitoring programs inthe new application environment is helpless, so improving the monitoring system isimminent. This article describes the development of radio and television monitoringsystem for the general process, focusing on the achievement of the functional use oftechnology and methods.This monitoring system mainly consists of signal access subsystem, streammonitoring subsystem and content monitoring subsystem. Signal access subsystemusing unified TrinityAres-CI series monitoring card to collecte different signal andconvert the signal to TS stream. Stream monitoring subsystem complete channelindicators for monitoring, TR101-290monitoring, bandwidth monitoring, PCRmonitoring, PSI/SI monitoring and program information monitoring. The contentmonitoring subsystem complete multi-screen display, video storage, log storage.The monitoring system is able to achieve a comprehensive monitoring of channeland content. At the same time provide alarm records check, but also to meet the user of any multi-screen display demand..