【作者】 巫宗芳；

【导师】 尹治本； 冯军焕；

【作者基本信息】 西南交通大学 ， 计算机应用， 2002， 硕士

【摘要】 远程教育是现代教育技术一个重要发展方向，其基本特征是利用计算机网络和多媒体技术，实现数字化环境下的教学和学习活动。在现代远程教育的异步教学过程中，视频课件点播占有很大的比例，采用流媒体技术实现视频课件点播具有相当的优势。 本文首先围绕Real Media，Windows Media这两个当前主要的流媒体技术，介绍了流媒体技术的原理。在分析现代远程教育系统技术方案的基础上，探讨了流媒体技术在异步教学，特别是在视频课件点播方面的作用，给出了点播系统的软／硬件配置、以及制作视频课件时的同步实现方法。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。视频课件管理子系统是服务器端的管理工具，用于在线管理和维护视频课件，以专用浏览器方式实现在浏览课件的同时对课件数据进行管理，解决了课件管理与课件浏览不能同步进行的问题；视频课件浏览子系统是客户端浏览视频课件的工具，是一个不具备管理功能的纯浏览系统；视频课件制作子系统是制作开发视频课件的工具。本文的核心部分是以Real Media技术为核心，设计、开发了实时和非实时课件制作系统，提供开发者一个视频课件的开发制作平台，大大提高了视频课件开发制作的质量和效率，并使之逐步走向程序化开发制作的道路。更多还原

【Abstract】 Distance education is an important research field of present education;its basic features are using computer network and multimedia technologies to realize education activities in digital environment. The video courseware on demand accounts for a big proportion in the present distance asynchronous education,and there also exists many advantages in adopting stream media technology.Above all,this thesis introduces the principle of stream media technology surrounding its major technologies,which are Real Media and Windows Media nowadays. Then based on analyzing the solution of present distance education systems,it discusses the application of stream media technology in asynchronous education,especially video courseware on demand,and provides the configuration of courseware and the synchronous realization during creating it. 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. One is management system,a server-side management tool,which is used to manage and maintain video courseware online. Through this management system,users can browse and manage video courseware simultaneously by using its special browser like user interface,and this overcomes the non-synchronous problems exist in today’ s managing and browsing video courseware. The second is video courseware browse system,a client-side tool,which is used to browse video courseware. It is a pure browse system that comes from the management system but without the management functions. And the last is creation system,a creation-side tool,which is used to develop videocourseware. In the thesis’ s core part,by using Real Media technology,it designs a synchronous and asynchronous video courseware system,and provides developers with a development platform,which highly improves the quality and efficiency in creating video courseware and makes the creation in a pattern way.更多还原