System Information Network Media Asset Management The Design And Implementation Of Some Key Technology

In the digital and networking television production and broadcasting systems, media assets include all kinds of material of television programs, which are the core objects of the TV station network broadcasting system such as audio, video, pictures, digital text, analog video tapes, audio tapes, charts, and so on. Safekeeping and the effective management of such information, have extreme high social effects and economic value. Driven by the development of digital technology, scientific management of the program material in television production and broadcasting system has been improved steadily. Reliable and practical media asset management solutions have gradually become the strategic steps of the technological progress and multi-business development in the field of radio and television.Some key technologies of media asset management system of production and broadcasting network is designed, mainly for the underlying system of the production and broadcasting system, to provide effective interfaces and back-office support to ensure the system security and stability running.The main contents of this thesis are as follows:1. Implementing rights management of media asset in a networked environment using Minifilter. Rights management system from the functional perspective includes managing the operation of adding, modifying, and deleting the material file and so on by systems or users. From the implementation perspective, it includes the automatic management by rights management system and real-time judgement by the application based on the need for each I/O operation. And the optimization of obtaining the file name from I/O operation in a networked environment is discussed.2. Implementing automatic technical check service for audio and video defect of media assets using Web Service technology. The main tasks of automatic technical check services are to manage generation and execution of technical check task, and exception checks and task scheduling of a number of technical check servers.3. Study and implementation of broadcasting control of video server. It includes the analysis of communication protocol, program preparation, broadcasting countdown timer, temporary intervention of broadcasting, analysis of error and delay and so on.From the actual running situation, the implementations of this topic have the feather of security, flexible, efficient, and so on. The system achieved the desired targets of the media asset management in production and broadcasting network.