Mix and master in your browser
Lyro has a multitrack mixer and a mastering stage that run in your browser, so they cost no credits. Bring a vocal and a beat, or stems from anywhere, and balance them with gain, pan, EQ, compression, reverb, delay and a tempo-synced pump. Mastering then brings the mix to a loudness target measured in LUFS, with a limiter and an A/B switch, and exports WAV.
How it goesThree steps
- Drop in your tracksAdd a vocal, a beat and any extra stems. Lyro reads the tempo, so waveforms snap to the beat grid and timed effects land on the beat.
- Balance and shapeSet levels and pan first. Then use EQ, compression, reverb, delay and pump on each track until the parts sit together.
- Master to a target and exportPick a loudness target for streaming or for the club, compare before and after with the A/B switch, and export WAV.
The details
What each mixer control does
- Gain: how loud a track is. Balance is most of a mix, so start here.
- Pan: where a track sits between left and right. Keep kick, bass and lead vocal in the centre.
- EQ: turns frequency ranges up or down, so parts stop masking each other.
- Compression: evens out loud and quiet moments. Vocals usually need it most.
- Reverb and delay: place a dry sound in a space and add echoes.
- Pump: tempo-synced ducking. The track dips on each beat and recovers before the next, the breathing effect of house music, with no kick track needed as a trigger.
The vocal tools add recording in the browser, presets, pitch shift and time-stretch.
How mastering to a LUFS target works
LUFS measures how loud a track sounds over its whole length. Values are negative, and closer to zero is louder. Many streaming services turn loud tracks down to a reference of around -14 LUFS, so that is the usual streaming target. Club and DJ masters are usually louder. You pick the target and Lyro raises the mix to it.
A limiter does the raising safely. It holds peaks under a ceiling, commonly about -1 dB true peak, while the average level comes up. Push too far and drums lose punch, which is why the A/B switch matters: it lets you flip between the mastered and unmastered sound and hear what the processing did.
Why it runs in your browser
Mixing and mastering are signal processing, not AI generation, so they can run on your own device using the audio engine built into the browser. Nothing is sent to a model provider while you mix, which is why these tools use no credits however long you work. When you export, the finished file is rendered on your device and saved to your library, where you can download it as often as you like.
Where the limits are
- This is a mixer you operate, not an automatic mix. Presets and targets help, and the decisions are still yours.
- Your device sets the ceiling. Phones and tablets have less memory than computers, so long projects with many tracks belong on a laptop or desktop.
- It does not load third-party plug-ins.
- Mastering cannot repair a mix. If the vocal is too quiet, go back and fix the balance.
- Generated audio is often loud and compressed already, so it needs a lighter touch than a raw recording.
Plan, formats and credits
The studio, meaning the mixer, the vocal tools and mastering export, is part of the Creator plan, which starts at $19 a month. Using it costs no credits. WAV export is included on Creator, and downloads are never counted or capped. If you need parts to mix, the stem splitter separates any track into vocals, drums, bass and other, at one credit plus two per started minute.
Questions
Does mixing or mastering cost credits?
No. Both run in your browser on your own device, so they use no credits. You need the Creator plan to open the studio. Credits are only spent on generation and on stem separation. See pricing.
What loudness should I master to?
Around -14 LUFS integrated with a ceiling near -1 dB true peak is a common target for streaming, because many services turn louder tracks down to about that level. Club and DJ masters are usually louder. Check the current guidance of the service or distributor you release through.
Can I master a track I made somewhere else?
Yes. On the Creator plan you can upload your own audio, open it in the studio and master it to a loudness target. It costs no credits. Upload a WAV with some headroom, meaning its loudest peaks sit a few decibels below the maximum.
Does the mixer work on a phone?
It runs in a mobile browser, but phones and tablets have less memory than computers. Short projects with two or three tracks are fine. For long songs with many stems, use a laptop or desktop, and keep other heavy tabs closed.
What is the pump control?
Pump is tempo-synced ducking: the volume of a track dips on each beat and comes back before the next one. It gives pads and bass the breathing movement of house music. It follows the project tempo, so check the detected BPM first. More under pump.
Related: Stem splitter, Add vocals to a beat, Add a beat to your vocals