In this chapter, you are going to create the first ever computer program in your life, if you have not already done so. Or, if you have been working on with other text-based programming, you will be astonished by the simplicity of the Pure Data (Pd) graphical programming environment. In the following sections:

If you have not installed the pd-extended software, please refer to the Preface for the installation. Pure Data is a graphical programming environment. Traditional text-based programming involves writing English-like sentences to prepare a program. In Pure Data, all you need to do is draw graphical labels on a blank window and connect those labels together to define the flow of your program.