浅议电视信号的数字化与码率压缩

On TV Signal Digitalized and Code Compressed

文章介绍了电视信号数字化的基本过程和常用的码率压缩技术以及与MPEG视频压缩标准有关的基本概念,详细叙述了离散余弦变换方法,并比较了JPEG和MPEG的视频压缩编码标准以及在视频通信中的作用.

Abstracts, This paper presents the basic process of TV signal digitalized, the common technology of compressing code and the essential conception about MPEG video compression standard. It then put forwards the method of DCT in detail and compares the standard and function of JPEG and MPEG.