Compression in Multimedia:
Welcome to the JPEG Tutorial
The Viper JPEG Tutorial
A Discussion of Audio Compression
Image Manipulation & Storage: a valuable tutorial from the Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev.
JPEG Tutorial (by Ray Wolfgang of Purdue University)
ISU ACS Dept HTML Tutorial-JPEG Comparisons
Video Compression Techniques and Standards (by Gopal Lakhani of TexasTech)