50P帧精度播出控制技术在4K超高清电视播出系统中的应用  

50P Frame Accuracy Auto-control Technology in 4K UHDTV Broadcasting System

作　　者：魏志辉 Wei Zhihui(Guangdong Radio and Television Station,Guangzhou 510066,China)

机构地区：[1]广东广播电视台,广东510066

出　　处：《广播与电视技术》2018年第10期20-24,共5页Radio & TV Broadcast Engineering

摘　　要：广东广播电视台4K超高清电视播出系统在研发和建设过程中,创新性地利用LTC+VITC时码相结合的方式,解决了如何在4K超高清电视文件化备播过程中,实现基于50P帧精度播出控制的技术难题,并成功在广东广播电视台4K超高清电视播出控制、管理及监控平台上应用,实现了50P帧精度的4K超高清电视播出。This paper introduces in detail how to solve the technical problem of 50P frame accuracy auto-control in the 4K UHDTV broadcasting system,and proposes a creative method of combining LTC and VITC in the process of R&D and construction of 4K UHDTV Broadcasting System in Guangdong Broadcasting and Television Station.This new method is later successfully applied in the 4K UHDTV auto-control,management and monitoring platform of Guangdong Radio and Television Station,achieving 50P frame accuracy in 4K UHDTV broadcasting.

关 键 词：4K超高清 播出控制 50P 时间码 LTC VITC 帧精度 

分 类 号：TN94[电子电信—信号与信息处理]