AI Mastering
Masters that sound finished, with the numbers to prove it
Euphona measures your mix from the first second to the last, shapes its tone, controls its dynamics and delivers it at the loudness you need, with every true peak kept safe. Then it measures the master again and shows you the proof.
Unlimited on every paid plan, under fair use. On the free plan, a four-minute track costs four minutes of your allowance.
Hear it
Hear it on your own track, free
Free to hear, level-matched against your original. Up to 5 minutes; uploaded, processed, deleted within 24 hours. Keeping the file is a one-time purchase, with no account needed.
Drop your mix, or choose it. It is uploaded to our servers, processed, and deleted within 24 hours. Up to 5 minutes.
How it works
What it measures, what it changes
And what stays yours to decide.
- 01
It hears the whole song first
Before anything changes, the track is measured end to end: loudness moment by moment, true peak, tonal balance, stereo width by band and where the dynamics live. Every decision after that is built on those measurements, so your song is treated as your song, not as a preset.
- 02
You choose where it is going
Set the loudness you need, or hand it a reference track you love and let the tone, and the level too, move towards it. Not sure how loud to go? Hear the automatic master and the streaming standard side by side, matched in loudness, and keep the one that feels right.
- 03
Precise moves, never guesswork
Tone is corrected, harsh resonances are tamed, dynamics are controlled band by band, the low end is kept safe in mono, and a true-peak limiter finishes the job. Every move is a measured processing step, not a generative model, so nothing appears in your master that was never in your mix.
- 04
You hear it level-matched, then decide
The master plays next to your mix at the same loudness, so you hear what mastering did and not just more volume. Not quite there? Change the target or the reference and run it again. Your original is never touched.
The specifics
What you would ask before trusting it with your audio
The formats, standards and numbers behind every result, each one measured.
- Loudness targets
- Integrated loudness measured to ITU-R BS.1770-5 and delivered to the target you choose. For streaming, the reference figure is the one Spotify publishes, −14 LUFS. The finished master is measured against the target, so ready for streaming is a measurement, not a hope.
- True peak
- True peak measured with 4× oversampling and held at −1 dBTP by default, or right up to full scale if you ask. Inter-sample peaks above a platform's ceiling can distort inside its encoder, and nobody hears it until the release is out.
- Reference tracks
- Give it a song whose sound you love and your master moves its tonal balance towards it, and its loudness too unless you set one. The reference is analyzed, never copied: what carries over is the shape of its tone, not a fingerprint of someone else's record.
- Formats in
- WAV, AIFF, FLAC, ALAC, MP3, AAC, Ogg and Opus, at any sample rate up to 192 kHz and any bit depth up to 32-bit float. Each file is decoded in a sealed sandbox with no network and nothing to reach but the file itself.
- Formats out
- WAV and FLAC at the source rate or a chosen rate, 16- or 24-bit with TPDF dither on reduction, plus MP3 and AAC where you want a reference copy. Sample-rate conversion is done once, at the end of the chain.
- The report
- Every master comes back with measured values, not intended ones: integrated loudness, true peak and loudness range before and after, and a plain yes or no on whether it hit the target. If a file should not be mastered at all, the engine says so instead of handing back a copy dressed up as a master.
Questions
What people actually ask
- Will this make my track louder than everyone else's?
- No, and neither will anything else. Every major streaming service turns playback up or down by measured loudness, so a master 3 LU louder than another is simply played 3 dB quieter. The dynamic range you gave up to get there does not come back, so the smart move is the right loudness, not the most.
- Can mastering fix a problem in my mix?
- Mastering lifts the whole song: tone, punch, width and loudness, all at once. If one element needs to move, like a vocal that sits too low, send the stems to AI Mixing first and master the result.
- What does the engine do that a limiter preset does not?
- It measures your track and derives every setting from that measurement, instead of applying settings tuned on someone else's song. You hear it most in what it leaves alone: it will not squash a track that already has the dynamics it needs. A preset has no way to know that.
- Do I have to accept what it chose?
- No. The loudness, the true-peak ceiling and the reference are yours to set. The report measures the result, so you can see whether the decision was right and run it again if it was not.
Try it
Put your own track through it
The free plan runs the whole engine on your whole recording and plays you the result, matched for loudness against the original. No card. You pay when you want the full-quality file, one track at a time, or with a plan if you make a lot of them.
Who it’s for