MPEG-4终端的系统组成及特点

MPEG-4Terminal’s System Elements and Characteristics

从MPGE-4系统的分层结构出发,介绍了场景描述、交互性、基本流和同步机制等关键技术问题。叙述了各层所涉及到的基本功能和一些常用的MPEG-4系统工具。最后展望了MPGE-4系统在IP上的发展。

This paper starts from the layered sturcuture of MPEG4systems,mainly in troduces the crucial technology related to MPEG -4system,including scene description,interactivity,elementary streams and synchronization.In eac h layer,we will talk about the basic p erformance and some common tools of MPEG -4systems that each lay er involves.Finally,gives a view of the future development of MPEG -4systems over IP.