摘要： 讨论了基于ＬＡＮ的数字化多媒体网络教学系统不同于传统的＂纯硬件型＂和＂混合型＂　的多媒体网络教学系统的特点和功能，并提出了一个此类系统的框架模型，最后在此基础之上给出了具体的设计方案并就实现中所选用的部分技术进行了讨论。

关键词: 教学系统, 音频采集, 视频广播, 协议, COM

Abstract: This paper discusses the differences between the LAN based digital multimedia net teaching system and the hardware-only-based and software-hardware mixed systems. Also described in the paper are the features and functionality of the digital multimedia teaching system. In addition, the paper proposed a framework of such system and describes the implementation and some of the techniques used in the implementation.

中图分类号: 

• G434