Guide to Mixing

Before diving into the details of mixing, we need to look at some properties of sounds in general. This section is background information, but it is necessary to understand its contents in order to grasp a lot of the basic principles of mixing.
 
A sound is a pressure wave traveling through the air. Any action which puts air into motion will create a sound. Our auditory system systematically groups the pressure waves that hit our ears into distinct sounds for ease of processing, much how our vision groups the photons that hit our eyes into objects.