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..
作者
潘宏伟
PAN Hongwei(Jining Radio and Television Broadcast Station,Jining 272000,China)
出处
《电视技术》
2023年第6期209-211,共3页
Video Engineering
