The Research Of Construction And Application About Broadcasts Head-end Source Monitoring And Switching System

It is familiar that , the security broadcasting of digital TV is still the key problem that can not be ignored in head-end’s work .For that , TJBTN Ltd.Co. has began the planning, design and finally to establish a set of perfect digital TV front-end integrated signal broadcast control system.The source monitoring and switching system, is the important part of the integrated broadcast control system .The paper discusses the very problem of the construction and maintenance in he source monitoring and switching system.The subject of the paper first analyzes the field of digital TV safe broadcast security background, points out that the importance and the necessity of broadcasting head-end source monitoring and switching system construction.Thereafter, analyzes the theory knowledge, Digital TV industry standards and terminology.Then discuss the overall pattern, source characteristics, broadcasting control mode and process characteristics of TianJin Tower head-end, pointed out the project needed to solve the technical problems and target.Base on the basis, comprehensive discuss the system route planning and equipment deployment,describe the equipment appearance, installation and properties comparison;respectively analyzes the signal access and software configuration of switching system and monitoring system;describe the system overall ability.Functional verification test report, focuses on late operation and maintenance in a variety of practical problems, focuses on the analysis of the case, discuss solve method; discusses the system reform scheme and the concrete implementation method.Finally sum up the overall system operating status and application situation of the summary, and the future prospects of the system.