Everyone wants their songs to have a great mix, and EQ (equalisation) is the way to make this happen. It’s the tool that helps you craft clarity, tame unruly frequencies, and ensure every track shines in its rightful place.
For many, however, EQ can feel like a labyrinth of knobs and sliders, especially if you’re just getting started or trying to refine your process. The producers at Nest Studio are EQ experts, and they have provided some tips to help you become better friends with EQ.
Understanding the High-Pass Filter
Think of a high-pass filter (HPF) as your track’s first line of defence. It sweeps away the unnecessary low-end rumble, leaving your mix cleaner and more focused. Not every sound needs those low frequencies, so let the kick and bass own that space:
- Vocals: Start with an HPF around 80 Hz to 100 Hz to eliminate mic pops or room noise.
- Guitars and keys: Depending on the tone, you can push the HPF up to 120 Hz or more.
By clearing out the unnecessary low end, you’re giving your mix room to breathe. Trust me, your bass guitar and kick drum will thank you.
Hunting and taming the problem frequencies
Every track has that pesky area that just doesn’t sit right. It might sound muddy, honky, or downright harsh. Identifying and cutting these problem frequencies can make a very big difference to the overall mix.
Here’s how to tackle it:
- Use a narrow Q (bandwidth) to create a sharp peak with your EQ.
- Sweep through the frequency spectrum while the track plays.
- Stop when you find a spot that makes you wince (you’ll know it when you hear it).
- Apply a subtle cut, usually 2-4 dB.
- Vocals: Watch for honky tones around 400-600 Hz.
- Guitars: The 300-500 Hz range often needs trimming to avoid boxiness.
Remember, subtlety is key here. You’re not trying to carve a canyon—just smoothing out the rough edges.
Boosting all of the good stuff
Once you’ve cleared the clutter, it’s time to highlight what makes each track special. This is where you can enhance clarity and presence.
- Vocals: A small boost around 3-5 kHz can make vocals pop without sounding harsh.
- Guitars and keys: Adding a touch of 1-2 kHz can add just the right amount of brightness.
The trick here is to balance enhancement with restraint. Too much boosting can turn clarity into shrillness. Think of it as sprinkling seasoning—enough to bring out the flavour but not so much that it overpowers the dish.
Settling the sibilance
Sibilance—those sharp “s” and “t” sounds in vocals—can become painfully obvious once you’ve added brightness. A de-esser is your best friend for fixing this.
A de-esser is essentially a focused EQ that compresses sibilant frequencies (usually 5-8 kHz). We recommend setting the threshold so it targets only the harsh sounds without dulling the vocal’s clarity. This little adjustment can make a world of difference, especially on vocal-heavy tracks.
Add a bit of air
If your mix feels a bit flat, a gentle high-shelf boost can add that extra sparkle. A boost around 10-12 kHz can give vocals and instruments like cymbals or strings a polished, professional finish. Start with a subtle 2-3 dB boost, however. Overdoing it can make your mix sound thin or overly bright. This step is all about adding a touch of magic without veering into over-processed territory.
How does everything sound together?
Now that your tracks are EQ’d to perfection, it’s time to hear how they play together. Soloing tracks is great for identifying issues, but the true test is how everything sits in the full mix:
- Pay close attention to how your kick and bass interact. They should complement, not compete.
- Listen to your mix on studio monitors, headphones, and even cheap earbuds. Each playback system can reveal different aspects of your mix.
Trusting your ears (and us)
While guides like this provide a framework, remember that EQ is as much about intuition as it is about technique. Every track is unique, and your ears are the ultimate judge. If something sounds good, it probably is.
That being said, equalisation is more than a technical process—it’s an art form. At Nest Studio, we’re all about helping artists and engineers explore their creative potential, and mastering EQ is a big part of that journey. We’re here to make sure all of your tracks are EQ tweaked to perfection (or what you consider perfection; it’s all subjective!)