If you’re recording music at home, you’re going to have noise in your recordings. You obviously want to do everything you can to reduce the amount of noise in your recordings.
A few suggestions for cutting down on noise:
- Use thick packing blankets. (I feel like that sentence is direct copyright infringement on the Home Recording Show…they love blankets over there.) These can be a cheap way to block out some noise.
- Record in a separate room. This is ideal but not always possible.
- Use a dynamic mic. They’re less sensitive and may not pick up as much room noise…but they usually require more gain, so you may have more pre-amp noise. Doh!
- Record in outer space. Again, this isn’t always possible.
There are all sorts of tricks for cutting down noise, but that’s not the point of this article. Let’s just assume that you’ll deal with noise at some point in your home recording career…and by “some point” I mean “every day.” 🙂
On to the main attraction…4 Ways to Deal with Noise in a Mix.
1. Simply Edit it Out
For most tracks in your session, there are spots where you can just edit out the noise entirely. The most common example is on the lead vocal. If you have a particularly noisy lead vocal, you can just edit out all dead spots where the vocalist isn’t singing.
This noise can be more obvious in quieter parts of the song or during the fade-out at the end, so just get rid of it.
2. Use a Gate/Expander
Perhaps completely editing out the audio entirely doesn’t work. Sometimes complete silence can sound worse than noise (depending on the kind of material you’re working on).
Use a gate/expander can be an effective way to turn down the noise without completely getting rid of it. A gate/expander works in the opposite way of a compressor/limiter.
When the signal is above the threshold, the gate allows it to pass through.When the signal drops below the threshold, though, the gate turns the track down. You can adjust it to turn the track ALL the way down, or maybe you just want it to turn it down 10 dB or so.
It’s pretty common to gate the toms on a drum kit, since they don’t get played as much as the kick, hat, and snare. I also started using a gate for the HSC Podcast. Whenever I stop talking, the gate (technically it’s an expander) turns the audio down by 10 – 14 dB. That way you don’t hear the noise of my computer, etc. when I make those dramatic long pauses. 🙂
3. Use EQ Automation
I only do this on occasion, but it can be pretty effective. One place you’ll notice noise is on the last chord of the song, when all the instruments are ringing out. As the instruments fade out, the noise gets more obvious.
You typically hear the noise in the high frequencies first, so one way to minimize this is to automate a high-shelf EQ to slowly cut out the high frequencies as the instrument fades out. You’ll want the automation to correspond pretty evenly with the decay of the instrument, so as the instrument gets quiter, the highs get quieter, too.
This works a lot better than just writing in a fade on the instrument or mix. It’s almost like doing a fade JUST on the highs. Try it sometime.
4. Use Noise Reduction Software
Noise reduction software has come a long way in the last few years. It can be really effective at removing noise without destroying the underlying audio.
I don’t use noise reduction software too much, but if none of the above techniques are working, you might want to give it a shot. I’ve used iZotope RX, and it’s shockingly good.
Final Thought: Don’t be a Noise-o-Phobe
Having noise in your music isn’t the kiss of death. Go back and listen to some of your favorite records. I bet you can hear noise on some of them. Too much noise, on the other hand, can be distracting, but don’t get so caught up in noise-hunting that you forget about the music.
If you want to hear the noise in MY recordings and see how I deal with it, you can still join MixWithUs.com.
How do YOU get rid of noise? Leave a comment!
[Photo by BarelyFitz]