This chapter aims at covering the basics of sound postproduction. Management of analog but mainly digital media is among the subjects analyzed as well as the ways they are used respectively. Among the issues discussed is a short report on the pioneering devices and methods used for sound editing and mixing. Conceptual aspects of the procedures involved, as well as the hardware and software that are employed for sound editing processes, are discussed, as well as the mixing practices applied in order to achieve the desired outcomes.