IP组播技术在数字电视前端的应用  

IP Multicast Technology in Digital TV Front-end

作　　者：常明[1] 

机构地区：[1]太原有线电视网络有限公司,山西太原030024

出　　处：《科技与创新》2014年第1期142-143,共2页Science and Technology & Innovation

摘　　要：世界通信与信息技术的迅猛发展将引发整个电视广播产业链的变革,数字电视是这一变革中的关键环节。伴随着数字电视的快速发展,传统的ASI传输方式已经不能适应新形式的需要,取而代之的是IP组播技术。它凭借自己强大的优越性,已经在中国的大江南北生根发芽。新技术的产生也为现代广播电视的发展起到了促进性的作用,为电视事业的发展开启了新的篇章。The rapid development of the world＇s communications and information technology will lead to the entire broadcast chain transformation, digital television is a key part of this change. With the rapid development of digital television, the traditional ASI transmission mode cann＇t meet the need for new forms, replaced by IP multicast technology. It is by virtue of their strong superiority has taken root in China＇s north and south. Generate new technologies but also for the development of modem radio and television played a facilitative role for the development of the TV industry opened a new chapter.

关 键 词：IP组播 组管理协议(IGMP) IP前端设备 数字电视 

分 类 号：TN949.197[电子电信—信号与信息处理]