Audio Edges Audio Edges

Frequency Association Trainer

What if I told you that you already know every frequency range?
All that’s missing is the association.

How It Works
  • Learn to hear every range from 20 Hz to 20 kHz by linking each one to sounds you already know.
  • Click any band on the spectrum to hear what lives there.
  • Each band has real-world sounds to anchor it in your memory, plus a pure test tone and a burst of filtered noise for reference.
  • Headphones or decent speakers help, especially down low.

Start quietly. Some laptop speakers can't reproduce the lowest band at all, which is a lesson in itself.

Pick a band on the spectrum to see what it sounds like.

Test your ears

About “Frequency Associations”

Ever heard a mix engineer say something like “scoop out some 300,” “add a bit of 10k sparkle,” or “cut that harshness around 3.2k,” all without even looking at an EQ? I get it. It sounds like audio sorcery. But it’s a skill anyone can learn, and way faster than you probably think.

With this tool, you can learn exactly how I recognize and name frequencies by ear, so you can call them out with no visual aids and no guesswork. These are real-world methods, straight from my workflow as a professional mix engineer.

It started when I began noticing sounds in day-to-day life: calling out the frequency of a kettle’s whistle, or the hum of a lawn mower in the distance. Sometimes that’s a sound’s fundamental frequency, and sometimes it’s the most pronounced part of the sound. Those are different things. Either way, I was always listening for what pokes out of a sound and knowing where it sits.

After stumbling onto this strategy and training myself with it for years, I can now land on a frequency in my EQ within a second of hearing it. Once you develop this skill, it’s like Neo seeing the code in The Matrix. You just know the frequencies.

And no, you don’t need perfect pitch. I don’t have it. But if I hear a whistling tone, I can tell you where it sits, accurately and almost immediately, because of my Frequency Association strategy.

I’ve personally trained dozens of my private one-on-one students with this method. They’ve gone from not knowing frequencies at all to becoming frequency masters, developing the frequency recognition of high-level engineers in a relatively short amount of time.

Over 100,000 people have tried my method so far, and I’ve received thousands of comments about their results. This works.

Now my proven method is yours, with the personal tool I built to train it: the Audio Edges Frequency Association Trainer.

Alex EmrichAlex Emrich, Audio EdgesBillboard-Charting Mixing & Mastering Engineer

Want to go deeper and put this skill to work in real mixing sessions?

Learn about my private mentorship