组播技术高清数字电视直播系统在校园网中的应用  

HDTV Broadcast System Based on Multicast Technology in Campus Network

作　　者：李亮[1] 黄石平[2] 臧胜鲲[1] 

机构地区：[1]宿迁学院,江苏宿迁223800 [2]南京医科大学,江苏南京210029

出　　处：《实验室研究与探索》2015年第1期118-121,237,共5页Research and Exploration In Laboratory

基　　金：国家自然科学基金(81302512)

摘　　要：面对用户不断增长的校园网资源需求,基于校园网的电视直播系统因其数据源的稳定性、多样性成为一种简单而有效的校园网视频资源服务解决方案。随着校园网性能的提升,高清视频流在校园网上的应用已经出现,组播技术的特点使得高清视频流在校园网上传输成为可能。本文主要就信号源、高清流产生、组播技术、用户终端等方面进行了研究,建立了一套可行的校园网高清电视直播系统,对于建立校园网高清直播系统有一定的参考性。To face on the growing needs of the campus network resources,TV broadcast system based on campus network has become a simple and effective solution to video resources service over campus for its stability and diversity.With the promotion of campus network performance,application of HD video stream over the campus network has emerged. The characteristics of the multicast technology make the transmission of HD video stream become possible on the campus network. This paper mainly discusses the signal source,the production of HD stream,multicast technology and user terminal etc.,and tries to build a feasible campus network HDTV broadcast system. The experience can be used as reference to the construction of an HDTV broadcast system over campus network.

关 键 词：校园网 高清电视 卫星电视 组播技术 

分 类 号：TN948.3[电子电信—信号与信息处理] G434[电子电信—信息与通信工程]