decoloniz·e
432 Hz resonance engine
Most recorded music is tuned to A4 = 440 Hz — a convention, not a law of
nature. decoloniz·e measures the true concert pitch inside your audio files and retunes every
master that was made off the natural standard — all on your device, nothing uploaded.
How it works
PICKchoose audio files — nothing leaves your phone
ANALYZEthe engine measures each track's true A4
CONVERToff-standard masters get pitch-shifted to 432 Hz
A/Btap play before/after — hear it instantly
Features
- True A4 measurement with confidence score — not a naive 440 assumption
- Batch queue: analyze and convert whole folders
- Instant A/B preview of original vs retuned audio
- Converted files tagged
(432Hz) so you can tell them apart
- Export to common formats plus native Sonus codecs (.sla/.tri/.arc)
- Fully on-device: no account, no ads, no cloud — zero permissions
Part of the Sonus Libre family — the same 53-TET harmonic engine
that powers the Sonus desktop player, in your pocket.
