面向视频服务器的电视台全硬盘播出系统分析  

Analysis of Television Station Full Hard Disk Broadcasting System for Video Server

作　　者：孙龙涛 SUN Longtao(Panjin Rong Media Development Center,Panjin 124010,China)

机构地区：[1]盘锦市融媒体发展中心,辽宁盘锦124010

出　　处：《电声技术》2023年第8期48-51,共4页Audio Engineering

摘　　要：播出系统是电视台的重要组成部分,历经手动播出、半自动播出、硬盘播出等阶段。现阶段,播出系统依托现代计算机、编码、压缩及数字化等技术,已经逐渐转变为基于网络的IT信息技术平台。视频服务器是全硬盘播出系统中的核心设备。文章在阐述全硬盘播出系统结构和关键技术的基础上,构建了主备镜像结合第三备服务器的应用模式,以解决传统单台视频服务器易出现单一故障点的问题,满足电视台安全播出的需求。Broadcast system is an important part of television station,which has gone through manual broadcast,semi-automatic broadcast and hard disk broadcast.At present,the broadcasting system has gradually turned into a network-based IT information technology platform relying on modern computer,coding,compression and digitalization technologies.Video server is the core equipment in the full hard disk broadcasting system.On the basis of expounding the structure and key technologies of the full hard disk broadcasting system,this paper constructs the application mode of combining the primary and secondary mirror images with the third standby server,so as to solve the problem that the traditional single video server is prone to a single point of failure,meet the needs of television stations for safe broadcasting.

关 键 词：播出系统 全硬盘播出 视频服务器 模式创新 

分 类 号：TN948.1[电子电信—信号与信息处理]