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

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.