2 Digital audio principles
This chapter explains the fundamental principles of digital audio as they apply in computers. The aim is to aid understanding of the inner workings of equipment so that appropriate operational and technical decisions can be made.
2.1 Analog and digital information
The human senses deal mainly with analog information but computers deal internally with digital information, resulting in a need for conversion between one domain and the other at various points.
Analog information is made up of a continuum of values of some physical quantity, which at any instant may have any value between the limits of the system. For example, a rotating knob may have one of an infinite number of positions – it is therefore an analog controller ...
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