这是我写的一个课程报告，主要介绍MPEG4合成视频编码的一些知识。参考了一些其他资料，但大部分是通过直接阅读Mpeg4标准和VRML标准得到的。网络上相关中文材料不多，而且针对Mpeg4和VRML之间关系的说明讲得比较泛泛，希望能对大家有用。-This is a course I wrote the report, the main synthetic introduction MPEG4 video encoding knowledge. Reference to a number of other information, but most are through direct reading standards and VRML standard Mpeg4 received. Materials related to the network much Chinese, but also against Mpeg4 and VRML descr iption of the relationship between the general has stood out the hope that it can be useful to everyone.