Re: Shotgun mic Hum- How can I fix?

1. Noise Reduction. I've found it to be a handy tool. Right click on a highlighted area of just the noise (no voice or other sounds) and click on "Capture Noise Reduction Profile" Once you go into your Effects menu and into the noise reduction dialog box, you can tweak just how much is eliminated.

2. You can do this manually. Since it's giving you fits, go into your effects menu and open graphic equalizer. Click the tab on the EQ that says 30 band. Then, just play the audio and fiddle with each band and see if you can tweak the noise away.