Chapter 7 - Equalizers and Dynamics

Using Equalizers to remove hum

If you are calling the problem with your audio a 'hum', that means that you can hum it. If you can hum it, that's a frequency, which is a number that you can notch and cut out of your audio. The above example is a walkthrough of removing a hum from a scene set in an active  bar, with all of the appliances plugged in.