br When dealing with both audio and video, there is a good chance you'll come across a gain setting when attempting to improve an image or adjust audio levels. While it seems strange that a single setting would be used for both video and audio, the basic principals behind what gain is allow it to be used in both applications.br br So, what is gain? In this video, LockerGnome's Brandon Wirtz explores the world of gain control and how the right gain setting can significantly improve your audiovideo presentation.