视音频测试测量技术对比分析  

Comparative Analysis of Video and Audio Test and Measurement Technology

作　　者：孙荣 Sun Rong(Dalian News Media Group,Liaoning 116022,China)

机构地区：[1]大连新闻传媒集团,辽宁116022

出　　处：《广播与电视技术》2020年第9期126-129,共4页Radio & TV Broadcast Engineering

摘　　要：视音频测试测量在电视发展不同时期有不同的方法和指标,本论文梳理了电视台从模拟时代到标清高清时代再到今天的超高清时代不同时期的关键测试测量技术,以期帮助电视台工作人员对视频测试测量技术有个全面的认知,提高测试测量的能力。There are different video and audio test and measurement methods and indicators on different stages of TV development.The paper sorts out key test and measurement technologies of TV stations in different periods from analog to SD/HD and to today's UHDTV/4K TV to help station staff to deeply understand video test and measurement technologies and improve their ability.

关 键 词：视音频测试测量 模拟视频 数字标清视频 数字高清视频 超高清视频/4K 

分 类 号：TN949.6[电子电信—信号与信息处理]