Here is the next entry in my series of audio engineering. I hope you can enjoy this and grow with me as I try to get my technician skills back up, and test my music knowledge along the way. Audio Frequency So audio frequency is very important to any form of audio mixing. The terms listed below are very useful for communicating different pitches in music. You can commonly find them on any equalizer or DJ mixer you might use. (need post made about what these things are, mike’s thoughts) The three main audio frequencies are approximately