云传输调度技术在节目生产快速部署中的应用

Application of Cloud Transmission Scheduling Technology in Rapid Deployment of Broadcasting Production

本文主要介绍了湖南广播电视台为湖南省2022年重大项目集中开工活动直播提供的快速部署技术方案。该方案将自主开发的云Saa S服务平台M-TECH的云连线、云演播室系统,结合Web RTC和SRT传输协议、线下定制网关设备应用于此次活动,解决了云Saa S应用与广播电视系统的对接、现场扩声与消除回声等技术难点,在短时间内实现了各会场间高质量低延时视频连线的需求。

This paper mainly introduces the rapid deployment technical solutions for the live broadcasting of centralized commencement ceremony for Hunan’s major projects in 2022 provided by Hunan broadcasting system.The cloud link and cloud studio system of self-developed SaaS cloud platform called M-TECH,combined with WebRTC and SRT transmission protocol and customized gateway devices were used in this ceremony.Technical difficulties such as SaaS application’s interfacing with broadcasting system and echo canceling between sound amplification and reception were solved,and the requirement for high-quality and low-delay video link between venues was implemented in a short time.