音频技术应急响应在电视新闻直播中的系统建设  

System construction of audio technology emergency response in live TV news broadcast

作　　者：关童 GUAN Tong(China Media Group,CCTV,Beijing 100859,China)

机构地区：[1]中央广播电视总台中央电视台,北京100859

出　　处：《电声技术》2020年第4期40-44,共5页Audio Engineering

摘　　要：1976年7月1日,“全国电视新闻联播节目”首播,1978年1月1日,“新闻联播”开播,1996年1月1日,“新闻联播”由录播改为直播,由此开始,中央电视台逐步实现了新闻类节目全直播覆盖。直播模式的核心是安全播出,应急响应更是重中之重。笔者长年从事一线新闻直播音频技术工作,主持编写了演播室音频技术应急预案、播前检查细则及播出调音规范等。本文以央视新闻直播演播室音频系统为切入点,探讨了电视直播技术系统中音频应急机制建设的几个重要组成部分,通过分析它们的工作原理及彼此间相辅相成的关系,阐述了新闻直播安全播出的整体设计布局和应急机制建设。On July 1st,1976,the“National TV News Broadcasting Program”premiered.On January 1st,1978,the“News Broadcasting Program”broadcast.On January 1st,1996,the“News Broadcasting Program”changed from recording to live broadcasting.Since then,CCTV has gradually realized full live coverage of news programs.The core of the live broadcast mode is safe broadcast,and emergency response is the top priority.The author has been engaged in front-line news live audio technology for many years,and presided over the preparation of audio technology emergency plans,pre-broadcast inspection rules and tuning specifications.This article takes the CCTV news live studio audio system as an entry point,discusses several important components of the audio emergency mechanism construction in the TV live broadcast technology system,and analyzes their working principles and the mutually reinforcing relationship between each other to expound the safety of live news broadcast.The overall design layout and emergency mechanism construction.

关 键 词：新闻直播演播室音频系统 音频跳线盘 安全播出 播前检查 直播应急 

分 类 号：TN948.1[电子电信—信号与信息处理]