流媒体版权管理系统的设计与实现

igital Rights Management is provided access control technologies used by publishers and copyright holders to limit usage of digital media or devices. It covers description, authentication, transaction, protection and tracing right of the data source. With the Internet technology developing, multimedia contents spread wildly. It greatly enlarges entertainment and life of people. More and more people fetch the information through the net, and share themselves’. These provide better condition for the streaming media technology evolution. This Paper first introduces the background about streaming media and current existing DRM systems and specifications. Bases on the characteristic of stream media, a flexible and more robust streaming DRM system which adding FEC for media data delivery to level up the quality of service will be designed in this paper.