摘要
结合移动计算及流媒体技术在远程教学中的应用,设计一种基于移动计算的开放式教学系统,利用MPEG-4对视频信号进行编码,使用无线网络进行音频或视频信号传输,并基于Xscale架构的嵌入式系统自主开发设计了用户移动终端,最后实现了一个原型系统。系统具有良好的实时性、交互性和可扩展性。
Requirement of distance education＇s development about network and co relational technology is higher and higher. My paper combines mobile computing with streaming media technology in the application of distance education to design an open education system based on mobile computing. In this paper, system code video signal with MPEG- 4, then transfer video and voice signal by wireless network and develop a user mobile terminal based on XScaleTM. Thus, the system prototype has been accomplished. The system is of preferable feature of real-time, interactive and expansion.
出处
《微计算机应用》
2006年第2期157-160,共4页
Microcomputer Applications
基金
湖南省科学技术厅制造业信息化示范工程项目
编号:HNMIE-A-026。
