摘要
本文先说明图象(image)与电视(video)的涵义和区别,多种业务综合(integratedservices)与多种信息结合(multimedia)的涵义和区别,有线电视(CATV)与交互电视(interactive)的涵义和区别,个人通信网(PCN)与屋内通信网(CPN)的涵义和区别。然后叙述数字图象与电视压缩编码(Video (?)mpression)的原理和发展,以及数字高清晰电视(HDTV)在通信、广播的应用和发展。
The paper clarifies the meaning and difference between several pairs of related terminology: 'image' and 'video', 'integrated services' and 'multimedia', 'cable television, CATV' and 'interactive communication', personal communication network, FCN' and 'customer premise network, CPN'.Then it describes briefly the principle of encoding and compression of digital image and video signal, and finally it discusses the prospects of digital high definition television(HDTV), and its application in communication and broadcasting.
出处
《光通信技术》
CSCD
1992年第3期171-177,共7页
Optical Communication Technology
关键词
图象通信
数字电视
电视通信
电视广播
多信息业务
有线电视
个人通信
压缩编码
高清晰电视
Image communication
Video communication Digital
video Television broadcasting
Multimedia
Cable television
Personal communication
Video compression
High definition television
