Bring any reference
Analyse your own track or a finished record. No fixed catalogue decides what you can learn from.
Independent audio instruments
Transform. Place.
Understand.
Three purpose-built instruments for pitch, space and musical intelligence—designed around the information that makes sound feel alive.
SCROLL TO EXPLORE ↓
01 — OUR APPROACH
Change what you asked to change. Nothing else.
Collet Audio makes focused sound tools with tactile interfaces and carefully measured DSP. No accounts. No cloud audio. No distractions between an idea and the sound.
01 / PITCH & FORMANT · IN DEVELOPMENT
VELUM
Pitch changes. Identity should not.
Move the fundamental without dragging the voice behind it. Pitch moves the harmonics; formant moves the measured spectral envelope. Neither moves the other unless you ask.
±24SEMITONES
21–85MS LATENCY
32/32DSP TESTS
VELUM · PITCH / FORMANTAU · VST3 · STANDALONE · MACOS
02 / REVERB & SPACE · IN DEVELOPMENT
PLENUM
Space without losing the source.
A feedback-delay-network reverb with early reflections, a particle layer and motion engine. Space shapes how alive the tail feels; the dry signal stays untouched.
0SAMPLES LATENCY
170VERIFIED CHECKS
3SPACE MODES
PLENUM · REVERB / SPACEAU · VST3 · STANDALONE · MACOS
03 / MUSIC INTELLIGENCE · PRIVATE DEVELOPMENT
CERNO
Hear the evidence inside the record.
Drop in a track and move from waveform to meaning: stems, rhythm, harmony, melody, structure and production—measured locally, with confidence and provenance attached to every claim.
140PASSING TESTS
4TRUSTED STEMS
0CLOUD CALLS
CERNO / MUSIC INTELLIGENCEANALYSIS COMPLETE
NOW ANALYSINGWhat is actually happening
inside this record?
04:18inside this record?
TEMPO124.0BPM · MEASURED
KEYF♯ min86% · INFERRED
STRUCTUREA · B · A7 SECTIONS
CERNO · LOCAL MUSIC INTELLIGENCEANALYSE · EVIDENCE · UNDERSTAND
FROM REFERENCE TO BLUEPRINT
Not another
content library.
Cerno starts with the music you choose. It measures what is actually there, shows the evidence on the timeline and marks uncertainty instead of inventing an answer.
See the musical evidence
Tempo, harmony, structure, density, stems and transitions stay connected to exact moments in the audio.
Trust what is trustworthy
Every inference carries confidence and provenance. When the signal is weak, Cerno says UNKNOWN.
Keep the result
Export a production-ready blueprint locally. Your audio is not uploaded, trained on or locked to an account.
05 / UNDER THE SURFACE
Measured, not
mythologised.
Different signals, different paths
Velum routes tonal, transient and complex material through the reconstruction path that fits the evidence instead of forcing one algorithm onto everything.
One control, one meaning
Velum keeps pitch and formant separate. Plenum keeps Space away from Mix. A control never quietly reaches across and changes something else.
Evidence before answers
Cerno preserves ambiguity, attaches confidence to every inference and returns UNKNOWN when the signal does not support a musical claim.
Private by design
Your audio stays on your machine. No analytics, networking, accounts or cloud processing—ever.
“Change the sound.
Keep the truth.”
06 — COLLET AUDIO
Small tools.
Serious intent.
Collet Audio is an independent audio software studio. We build instruments for producers who care equally about what a tool does, what it preserves and how it feels to use. Velum, Plenum and Cerno are active development projects—not announced releases.
THREE PRODUCTS · ALL IN DEVELOPMENT
Follow the signal.
Get development notes, future beta access and release news across Velum, Plenum and Cerno.
No account. No spam. Just product and beta updates.