In the main part of this thesis, it designs a video courseware on demand application system according to current distance education 's status. This system contains three main subsystems.
本文的主要部分是根据当前远程教育的状况和需求，设计了视频课件应用系统，它包含视频课件管理、视频课件浏览和视频课件制作三个子系统。
Video is an important media element in multimedia CAI courseware.
在多媒体CAI课件中，视频是一种重要的多媒体元素。
The designed system includes functions of audio and video broadcast, screen image broadcast, interaction of electronic whiteboard, real-time courseware making, etc.
所设计的系统具有视音频广播、屏幕图像广播、课件制作等功能。
Many problems such as wrong linking occur while you are making web courseware. The picture data are large, video and audio media cannot be played in real time , and even cannot be transmitted.
制作网络课件经常遇到链接错误、图片数据量大、下载时间长、视频音频不能实时播放甚至不能传输等问题。
Multimedia courseware applies many kinds of media information, such as text, image, video frequency, voice, to construct the circumstances of computer assisted instruction directly and actively.
多媒体课件运用了文字、图像、视频、声音等多种媒体信息，构造生动、直观的计算机教学环境。
Multimedia courseware applies many kinds of media information, such as text, image, video frequency, voice, to construct the circumstances of computer assisted instruction directly and actively.
多媒体课件运用了文字、图像、视频、声音等多种媒体信息，构造生动、直观的计算机教学环境。
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