I wanted to share a quick solution to a common and irritating problem when recording audio and video. You know when you get the perfect video shot and you pack up your equipment or hang up the Skype Call for an interview. You then start processing the audio or videos and realize that there are hums, AC noise in the background that you did not hear while recording. Check out the post here on how to fix that in less than two minutes http://www.andrefraser.com/blog/bias...noise-and-hums