为慢速拨号连接开发基于视频的课程材料

IEEE International Conference on Advanced Learning Technologies, 2004. Proceedings. Pub Date : 2004-08-30 DOI:10.1109/ICALT.2004.1357733

K. Kurbel, Alexei Pakhomov

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引用次数: 2

摘要

为发展中国家和转型经济体制作基于多媒体的教学模块对课程开发人员构成了严峻的挑战。由于数据传输缓慢和不可靠，必须对视频流和音频流进行严格限制。本文讨论了如何通过低速互联网连接制作和传送数字音频和视频材料。提出并评估了不同的方法。介绍了通过拨号连接提高多媒体传输效率的技术。

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Developing video-based course material for slow dialup connections

Production of multimedia-based teaching modules for developing countries and transition economies poses a serious challenge for course developers. Severe restrictions have to be observed for video and audio streaming because of slow and unreliable data transmission. This paper discusses how digital audio and video material can be produced and delivered over low-speed Internet connections. Different approaches are presented and evaluated. Techniques to improve the efficiency of multimedia delivery through dialup connections are described.

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IEEE International Conference on Advanced Learning Technologies, 2004. Proceedings.

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