IP化4K超高清播出技术探讨  

Discussion on IP 4K Ultra HD Broadcast Technology

作　　者：潘宏伟 PAN Hongwei(Jining Radio and Television Broadcast Station,Jining 272000,China)

机构地区：[1]济宁广播电视台,山东济宁272000

出　　处：《电视技术》2023年第6期209-211,共3页Video Engineering

摘　　要：4K超高清信号的高分辨率、高帧频对播出系统的带宽要求较高。IP化可以有效解决数字分量串行接口(Serial Digital Interface,SDI)架构的带宽瓶颈,代表着今后电视制播业务的发展方向。基于此,分析IP化的诸多优势,探讨SDI over IP的技术标准、关键技术以及IP化4K超高清播出系统的基本架构和播出流程。The high resolution and high frame rate of 4K ultra high definition signals require high bandwidth for broadcasting systems.IP-based technology can effectively solve the bandwidth bottleneck of Serial Digital Interface(SDI)architecture,representing the future development direction of television production and broadcasting business.This article analyzes the many advantages of IP-based broadcasting,explores the technical standards and key technologies of SDI over IP,as well as the basic architecture and broadcasting process of IP-based 4K ultra high definition broadcasting system..

关 键 词：4K超高清 SDI Over IP 软件定义网络(SDN) 精确时间协议(PTP) 

分 类 号：TN948.12[电子电信—信号与信息处理]