Your Sound Profile in 3 Minutes: What the App Does While Finding Your Tone
Before playing any sound, Tonaleve has you choose between pairs of sounds to build your sound profile. Here's what happens in those first few minutes and what each step is for.
Last reviewed: September 3, 2026
You open Tonaleve for the first time and, before you hear any background sound, the app asks for three minutes. It’s not a welcome formality: it’s the moment when it builds your sound profile, the reference it will later use to center all the sound that will accompany you to relax, sleep, or cover the noise around you. It’s worth understanding what’s happening in those three minutes, because it’s not a slider or a questionnaire — it’s a short game of choosing between pairs of sounds.
A Tone of Your Own, Not a Preset
Most background noise apps give you a list: white noise, pink noise, waves, rain. You pick one and that’s it. Tonaleve starts from a different place: instead of offering you a generic sound, it first looks for a tone of your own — a number in Hz — and builds the background sound centered on that tone, not on a preset that works for just anyone. It’s the same idea as equalizing a pair of headphones for your ear instead of leaving them at the factory setting: personalize before you play.
To arrive at that number, the app doesn’t ask you “how many Hz do you hear?” — nobody can answer that off the top of their head. It has you choose instead.
The First Few Minutes: You Choose, You Don’t Adjust
During calibration you’ll hear pairs of sounds, one next to the other, and you’ll have to decide which one is closer to what you have in mind as a reference. There’s no dial to turn and no number to type in: each screen offers you two options and you pick one, or you indicate that they sound similar, or that you can’t clearly hear either one. It’s a simple comparison format — a forced choice between two alternatives — because it turns out to be much easier and more consistent than adjusting a free control until it “sounds right.”
Every choice you make narrows the search range a little. The app doesn’t need you to get it right on the first try — it needs you to keep comparing, because the sum of several short comparisons produces a more stable result than one single big decision.
From Choosing to a Number
As you respond, the range of candidate frequencies keeps narrowing, until the app arrives at an estimate and runs an extra check: it compares that frequency against double and half its value, to rule out that you picked the right note but an octave too high or too low — a very common mistake when you don’t have musical training, and one that, if left uncorrected, can leave the final sound centered in the wrong place. After that, it lets you fine-tune the result with small adjustments, so the final tone truly represents you.
This whole process — why it’s built this way, why it uses comparisons instead of a slider, why the octave gets checked — is documented step by step on our methodology page, if you’d like to see the full protocol.
A Volume Level That Makes Sense for You
Tone is one part of the profile; the other is volume. There too, the app doesn’t use a fixed number like “volume at 40%”: it measures a comfortable level relative to what you hear, because the same volume in decibels sounds different depending on the headphones, the ear, and the time of day. Working with a level relative to your own reference, instead of an absolute number, is what makes tomorrow’s session feel similar to today’s, even if you switch headphones or location.
From Your Profile to the Sound You Hear
With tone and level already defined, that profile becomes the center of everything the app offers you afterward: the notched sound is cut right around your tone, the other modes adjust their level relative to your reference, and every time you recalibrate, the history is saved so you can see how it’s changed over time. None of this is presented as a lab measurement, nor does it replace a professional: it’s an internal calibration within the app, designed solely so that the sound you’re about to hear is tailored to you.
If you’d like to understand how well studied each sound mode the app builds from your profile is — which one is well established and which one is still early-stage exploration — we break it down with sources on our evidence page.
Why It’s Worth Taking Your Time, Even If It’s Just Three Minutes
It’s tempting to rush through calibration to get to the sound faster. But a profile built with care — in a reasonably quiet place, with the same headphones you’ll use afterward — performs better than one done in a hurry between other things. Perfection isn’t required: the app is designed so you can repeat the calibration whenever you want and keep the most consistent result, not just the first one.
Building your sound profile is the first step, not an obstacle on the way to what matters: once it’s ready, the sound you hear — to relax, to sleep, to put in the background while you do something else — already comes centered on you. If you haven’t tried it yet, you can build your profile and hear how it sounds right from your browser, no installation needed, at my.tonaleve.app.
Keep reading
Masking vs Notching: What's the Difference and Which to Choose
Adding a background sound and cutting a narrow band around your tone are two different roads to the same goal. Here's how each one works and when to choose one over the other.
White Noise vs Nature Sounds: Which to Choose as Background
Rain, waves, and wind feel more familiar than an even white noise, but they don't always do the same job. Here's what they share and when each one makes more sense.
Tinnitus and Anxiety: Why Stress Makes the Ringing Louder
During tense weeks or after a few short nights, the ringing seems louder even though nothing changed. Here's why that happens, what to do with your sound environment, and when to see someone.
