压缩(Compression)：压缩是制作数字电影的一个重要感念。视频和音频在数字化过程中都可以通过电脑进行压缩。当声音和画面被压缩后，他们可以更高效的得到CPU的处理并减少视频及音频文件占用的硬盘空间。压缩也是视频在网络上传播的关键，必须将文件大小压缩至带宽允许的程度才可以被用户下载。
Distributed video compression Basics, Research Problems, Applications
binDCT fron D.Tran used in Image compression
JPEG Image compression using IJG standards followed
Compression et decompression de fichier en format .zip.
Introduction to transforms and data compression for programmers
How to find compression ratio of image file
this the source code of audio compression standard -- gsm.
AN AUDIO WATERMARKING SCHEME ROBUST TO MPEG AUDIO COMPRESSION
Designand Analysisof Fast Text Compression Basedon Quasi-Arithmetic Coding.
·ContentsPreface vii1. The Problem of Video Compression 11.1 Overview of Video Compression Techniques 31.2 Applications ...