Buzz in an audio system might be the most annoying sound you'll ever hear.  A close second is the first unexplainable rattle emanating from your new car.  Buzzy audio has been the source of many an email I've received and today you’ll learn the process for tracking down that audio buzz and stopping it. Audio system noise comes from a variety of sources.  These sources include; Bad gain structure: If you aren't providing a high signal-to-noise ratio then that noise could be typical [keep reading]