网络视频教学支撑系统的设计与实现  

Design and Implementation of Multimedia Networks Teaching System

作　　者：胡青松[1] 盛文燕[1] 钱建生[1] 李世银[1] 

机构地区：[1]中国矿业大学信息与电气工程学院,江苏徐州221008

出　　处：《电视技术》2004年第8期65-66,74,共3页Video Engineering

摘　　要：分析了教学环境中视频传输的特点,比较研究了纯软件、纯硬件和软硬件结合等当前的主要几种开发方案,在此基础上采用软硬件结合的方式设计实现了局域网视频教学支撑系统,并介绍了系统实现的关键技术———视频编码、视频传输和视频传输的控制技术。使用情况表明,该系统能够满足日常的教学需要。This paper analyzes the characteristics of video transmission in teaching environment, researches and compares the current development ways, including pure software, pure hardware and software plus hardware. Based on those, we have designed a LAN video supporting system, and discussed some issues in video transmission such as video coding, video transmission and video transmission control. Our test indicates that this system meets the needs in routine teaching.

关 键 词：网络教学 网络视频教学系统 视频传输 

分 类 号：TN948.64[电子电信—信号与信息处理]