Sarait Audio Co. is a small audio software company in Miami. We make tools that help music creators finish better mixes.
Preflight: a mix checker for your mixdown
Preflight checks your mixdown before you release it. It measures loudness, true peak, clipping, dynamics, stereo width, phase, and mono compatibility. Then it tells you what to fix, in plain words.
Every check runs in your browser. Your audio never leaves your device.
Preflight is in a free private beta.
What Preflight checks
Loudness: how loud your whole song is, in LUFS.
True peak: the highest point your audio reaches, even between samples.
Clipping: places where your audio hits the ceiling and distorts.
Dynamics: the gap between your loudest hits and the average level.
Loudness range: how much the level moves across the song.
Stereo width: how wide your mix sounds.
Left/right balance: whether one side is louder than the other.
Phase: whether the left and right channels work together or cancel out.
Mono check: what your mix loses on a phone speaker or club system.
Low end in mono: whether your bass stays centered.
High-frequency rolloff: whether your top end is cut off early.
File format: the type of file you uploaded (WAV, FLAC, MP3 and more).
Each result comes with a plain sentence, the number, and a short "What's this?" explainer. Right under the summary, Preflight lists up to three next steps.
Who it's for
Bedroom producers and artists who mix their own music. If you're still learning to mix, Preflight explains every number it shows you.