| Digital Satellite News Gathering (DSNG) is a system that has the function of signal gathering, program production and satellite transmission. The live VandA signal can be transmitted to destination immediately and quickly by the satellite transmission system of DSNG. It is playing an increasing role in the media and satellite application field. It's necessary to make a detail study on the evolution and application of DSNG, and market model.It contains a significant amount of accurate locally sourced data about the DSNG market in the world , especially in China. A detailed description of DSNG applications and market features is given. In order to make the dissertation more valuable, PEST Analysis Model and Michael Porter's Five Forces Model are used to give the theoretical explanation of DSNG market. Through the study on the DSNG market, two new concepts, proprietary DSNG service and shared DSNG service, are given to explain the operating mode of current DSNG service. Furthermore, the paper studies on the several dominant DSNG markets. Some interpretation has been made to understand the DSNG market framework, DSNG market roles and DSNG specific applications.According to the trend of new technology and market requirements, several innovative DSNG applications are put forward in the paper, such as DSNG with Digital Cinemas. Each innovative application explains an innovative area of DSNG market. These innovative applications depict the bright future of DSNG market.The last chapter presents some prospects of China Emergency Communication System. It advances that government should not only establish professional DSNG emergency teams, but also organize and train the nongovernmental DSNG teams. By this mode, a more vigorous Emergency Communication System can be constituted.
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