摘要
介绍了基于HFC网络进行视频教学资源数字化传输的一般方法,及其系统组成和功能.提出了针对实际应用和设置中须注意的一些问题和建议.结果表明:本研究采用的视频教学资源数字化传输是稳定且有效的.
The general transmission method of video instructional resources based on HFC network was introduced in this paper. The components of the digital transmission system and their functions were presented. The notes and suggestions of using and configuration in practical application were also proposed to our peers for reference. The results of experiment showed that the digital transmission system was stable and effective.
出处
《河南科学》
2011年第12期1513-1516,共4页
Henan Science
基金
Supported by Key Project of Science and Technology Department of Henan Province(112102310067)
关键词
HFC网络
视频教学资源
数字化传输
外语教学
HFC network
video instructional resources
digitalized transmission
foreign language teaching
