基于MPEG-4的主从式多媒体网络教学系统设计

多媒体网络教学技术作为一种前沿现代教育技术受到广泛的重视。系统结合多媒体网络教学应用的教学需求与特点，采用MPEG-4压缩标准建立了一个基于校园网的虚拟的教学环境，在这个环境中可以实现教师备课、现场实时授课、学生自主点播课件、师生课后交流、答疑、批改作业以及考试等教学环节。重点介绍了基于MPEG-4的多媒体网络教学系统的体系结构及采用的主要技术。

Design of master-slave multimedia network teaching-learning system based on MPEG-4

As a new modern educational technology, multimedia network teaching method is gaid more attention. In accordance with the teaching needs and features of multimedia network teaching practice, a virtual teaching environment on the campus network based on MPEG-4 is developed. In the developed environment teachers can prepare and give lessons, correct and grade the students' homework, give tests. Students can study lecture presentation by themselves and take tests, After class, teachers and students can exchange opinions, discuss questions. The system structure and key technology of the developed campus network teaching system are introduced.