This tutorial will present a basic overview of how to pitch shift audio events in Studio One 4: It can also be common to find mix engineers using pitch-shifting tools in order to reinforce the frequency spectrum of certain instruments that lack harmonics. It is common to see how mix engineers will pitch shift duplicated vocals in order to obtain certain “robotic” effects during specific parts of a song. Pitch-Shifting is a procedure that can be often used during the mixing stage of a production for effect purposes or for spectrum reinforcement purposes. Need a Pro audio PC to run PreSonus Studio One 4 software and all of its features at its best? Check out all the pro audio PC offerings from PCAudioLabs The following tutorial shows the user a basic overview of Pitch-Shifting Audio Events in Studio One 4.