摘要
提出一种基于用户驻地网接入有线电视的CATV over IP网关系统;叙述了模拟有线电视射频信号的MPEG-2编码压缩和封组播包发送,叙述了数字有线电视射频信号的条件接收、再复用和封组播包发送;给出了系统的硬件组成与各模块功能及系统的实现。
A design of CATV over IP Gateway System for transporting CATV based on CPN is proposed. The MPEG-2 encoding and multicast for RF of anolog CATV is narrated. The CA and remultiplex and multicast for RF of digital CATV is narrated. The system composition and function of every module and realization course are given.
出处
《计算机与数字工程》
2007年第6期98-100,113,共4页
Computer & Digital Engineering
基金
湖北省科技攻关计划项目(编号:2005AA101B10)资助
