Example · Golden Ears read
250 Hz
Missed most often
Low-mid buildup is where weight turns into mud and boxiness.
What to practise next
First session opens on frequency recognition weighted toward this range.
Main Act Studio · privacy choice
Measure the practice, not the person.
Optional analytics can include page and feature use, session timing, and, when signed in, your account ID. It excludes passwords, card numbers, selected or microphone audio, and private training answers. Main Act does not sell personal information or use advertising cookies. Essential only keeps every lesson available; operational security and error diagnostics still run.
Main Act · free studio diagnostics
Test frequency recognition with headphones, or check a mix bounce in your browser. Either result tells you what to listen for next.
Hear a boosted frequency, make the call, and learn which part of the spectrum your ear misses most.
See where your own track sits against a rough style guide and find the first band to listen to.
No account to begin
Value before signup
No fake percentile
Comparison only when the sample earns it
Your audio stays yours
Mix Check never uploads the file
Use the result to practise
A score is forgettable. A named frequency region, tied to the decision it controls, can change what you hear tomorrow.
Example · Golden Ears read
250 Hz
Missed most often
Low-mid buildup is where weight turns into mud and boxiness.
What to practise next
First session opens on frequency recognition weighted toward this range.
Example · Mix Check read
Low mids
Furthest from the style guide
The mix has more energy here than a rough, hand-drawn guide for its style suggests. Worth a listen, not proof of a fault.
What to practise next
First session opens on isolating the band before you try to fix it.
Main Act Studio Mix
The point is not to win a badge. It is to shorten the distance between hearing a problem and making the right move. Save your finding, train it, then return with sharper ears or a new bounce.
Build my first sessionFree account. No card.
Measure the signal you have today: your hearing or your mix.
Practice the frequency decision your result actually exposed.
Retest when the calls get easier or the mix has changed.
Your signal is ready
Headphones and two minutes, or the bounce already on your desktop. Both paths start free.