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Get PartialFKR

PartialFKR is a free, cross-platform desktop application for sinusoidal analysis, partial reduction, and resynthesis. Analyse a sound into a cloud of partials, strip it to the minimum that still carries its character, and export the skeleton to drive other instruments.

▼ Latest Release macOS · Windows · Linux ≡ All releases § User Manual

01 platforms

macOS

PartialFKR-<version>.dmg

macOS 11.0 or later. Universal binary (Apple Silicon & Intel).

Signed & notarised

Windows

PartialFKR-<version>-Windows-x64.exe

Windows 10/11, x64 or arm64. NSIS installer.

Signing via SignPath

Linux

.deb / .rpm

x86_64 or arm64. Depends on ALSA, GTK3, and GL runtime libraries.

Unsigned (standard)

Windows builds may trigger SmartScreen until the signing identity accrues reputation — choose More info → Run anyway if you trust the source. See the security & code-signing page for details on how releases are built and signed.

02 what it does

// 01

Analyse

Sinusoidal (partial-tracking) analysis of any WAV into a cloud of frequency × time × amplitude tracks.

// 02

Reduce

Mute or delete partials on an interactive canvas, listening in real time, until only the essential skeleton remains.

// 03

Export

MIDI/MPE, Csound score, SDIF, JSON, SuperCollider, or rendered audio (WAV/AIFF/FLAC/Ogg/AAC/ALAC).

// 04

Free & open

AGPL-3.0. Source, issue tracker, and reproducible CI builds on GitHub.

03 requirements

macOS — 11.0 or later; no additional dependencies.
Windows — Windows 10 or 11 (x64 / arm64); no additional dependencies.
Linux — install via apt/dnf; the package pulls in ALSA, GTK3, X11, FreeType, and GL runtime libraries.

Full build-from-source instructions live in the source repository.