DSP stands for Digital Signal Processing - the basis of many areas of technology, from mobile phones to modems and multimedia PC. DSP is traditionally a highly mathematical subject, and the standard DSP textbooks contain a lot of mathematical exposition. This is necessary for a profound understanding of the subject. However, many people just want a simple introduction to the basic concepts and techniques of DSP. This courseware introduces the basic concepts of Digital Signal Processing by use of analogies, animations and examples.