How to remove hum from audio?

I know about these options:
Audio Enhancements - Equalization - Hum Reduction.
Audio Enhancements - Audio Analysis - Hum Reduction.
I may not be using these options right, but they can't help me.
I know also that I can use the Graphic Equalizer, but I do not know which graph to adjust to remove the hum. Is there a role of thumb? Any YouTube tutorials anyone know? Plugins?

The hum is my freezer in the background But it is not loud. I just don't like that I can tell that one voice clip ends and one starts because of the background. I have key frames fading start and end of each voice clip, which helps, but isn't there anything else I can do?
To avoid that, you always record a few minutes of your room's ambient noise (or outside if you are outside). Get a lot of that sound with nobody talking or making noise. You then use that in-between your cut dialogue clips so they flow smoothly.
You probably have a second or two in one of the clips where nobody is talking and you can grab that bit and copy/paste it in-between your clips.
Also, FCP X has some room tones built in, in the music media folders. Just search "room tone" and you'll find several. You can pick one of those that sounds the most like the one you've recorded and fade in/out the beginning/end of those clips.
If all else fails, you can put some royalty free music underneath and put a room sound FX on it to make it sound like it's a radio or TV in the room, in the background. This can hide audio issues well.

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Removing hum from audio

Lost the audio tracks from the mixer, so
all I have is the audio from the RED camera. There is a constant hum.
I tried the DeHummer tool at different settings, no luck.
All I have is Premiere CS5, no other tools like Audition. Is there a way to remove the hum
since it is constant? The audio files are *.mov for some reason, so Audacity didn't help either. Of all the scenes that could get screwed up, its the one with my five year old in it! UGH!!!!!
Thanks for your time,
Stuart

Stuart,
Much will depend on the frequency range of the hum and on the frequency range of the Audio that you wish to preserve. This ARTICLE will give you some tips.
While I use Audition, SoundBooth (do you have that program, as it's included in most Adobe suites?) should be able to help, as can the great, little free Audacity.
Good luck,
Hunt

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P.S Click the image below to show its real resolution!
Regards,
A.G
======================================
www.audiogrocery.com
Author of: Logic GUI Deluxe(Free), Vox De Bulgaria s.a.g.e vocal pack for RMX, Logic Snapshot Console, RMX Power CTRL - Logic Environment Midi editor for Stylus etc.
======================================

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How to remove hum from audio?

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