Plugins for VCV Rack and EYESY, software for samplers and synths, workshops, and writing on synth tool design.https://signalfunctionset.com/en-ushttps://signalfunctionset.com/projects/whats-new-in-2-15/https://signalfunctionset.com/projects/whats-new-in-2-15/Release notes for SignalFunctionSet 2.15: two new DX7 modules, Operator and OP ENV, plus a gate-length overhaul across the sequencers.Wed, 01 Jul 2026 00:00:00 GMTwritinghttps://signalfunctionset.com/projects/metamodule-cheat-sheet/https://signalfunctionset.com/projects/metamodule-cheat-sheet/A quick reference for the 4ms MetaModule: button combos, knob mapping shortcuts, Knob Sets, MIDI, the action menu, patch operations, settings, and expanders.Fri, 19 Jun 2026 00:00:00 GMTeurorackmetamodulecheatsheethttps://signalfunctionset.com/projects/op-env/https://signalfunctionset.com/projects/op-env/A standalone DX7 operator envelope generator for VCV Rack. Loads a voice from a .syx bank and turns its carrier envelope into a gate-driven CV, with per-stage offsets.Fri, 19 Jun 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/operator/https://signalfunctionset.com/projects/operator/A 6-operator FM synth voice for VCV Rack in the Yamaha DX7 lineage. Loads DX7 .syx cartridges, plays them polyphonically, and ships with classic Brian Eno patches.Fri, 19 Jun 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/cycle/https://signalfunctionset.com/projects/cycle/A bar-synced quad LFO for VCV Rack. Four channels lock to your song's bar grid with morphing shapes, per-channel depth, and clock-quantized staircases: built to pair with Meter.Mon, 15 Jun 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/band/https://signalfunctionset.com/projects/band/A harmonic bandpass bank for VCV Rack inspired by Suzanne Ciani. Four narrow filters lock to integer harmonics of a shared fundamental that auto-tracks the input.Fri, 15 May 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/gravity/https://signalfunctionset.com/projects/gravity/A 30HP multi-mode chaos and motion engine for VCV Rack. Six engines drive a moving point read out as bipolar X/Y CVs, six sector CVs, and six boundary-ray gates.Fri, 15 May 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/muse/https://signalfunctionset.com/projects/muse/A VCV Rack recreation of the 1972 Triadex Muse by Edward Fredkin and Marvin Minsky. Eight sliders tap a binary network to generate long, structured algorithmic melodies.Fri, 15 May 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/shift/https://signalfunctionset.com/projects/shift/A 4-output CV shift register for VCV Rack. One signal in, four outputs each with its own delay, divider, and parallel-or-cascade mode, plus a jumbled bonus output.Fri, 15 May 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/vac/https://signalfunctionset.com/projects/vac/A semi-stable attack/release envelope generator for VCV Rack. Per-stage stability controls introduce musical cycle-to-cycle variation, like a real vactrol drifting.Fri, 15 May 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/building-modules-with-claude/https://signalfunctionset.com/projects/building-modules-with-claude/Notes from eight months of building VCV Rack, MetaModule, and Disting NT modules with AI assistance.Wed, 13 May 2026 00:00:00 GMTwritinghttps://signalfunctionset.com/projects/sfs-sequencer-system/https://signalfunctionset.com/projects/sfs-sequencer-system/A modular rhythm and pitch sequencer system for VCV Rack. Meter is the time-signature-aware master clock; Beat sequences drums; Note sequences pitched voices.Sun, 12 Apr 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/swell/https://signalfunctionset.com/projects/swell/A ping-driven envelope generator for VCV Rack. Each trigger adds a soft-saturating rise; the envelope decays back toward zero with linear-to-exponential curve shaping.Sat, 11 Apr 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/intone/https://signalfunctionset.com/projects/intone/A formant synthesis voice for VCV Rack based on the IRCAM CHANT project. Five parallel FOF cells with vowel morphing, audio excitation, and trigger modes.Fri, 10 Apr 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/tine/https://signalfunctionset.com/projects/tine/A tunable 3rd-order pingable resonator for VCV Rack based on the Gamelan Resonator circuit from Paul DeMarinis' Pygmy Gamelan (1973).Thu, 09 Apr 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/phase/https://signalfunctionset.com/projects/phase/A dual sample looper for VCV Rack inspired by Steve Reich's tape phase compositions. Two loops drift against each other to generate evolving phase relationships.Mon, 06 Apr 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/overtone/https://signalfunctionset.com/projects/overtone/An additive synthesis VCO for VCV Rack that builds waveforms by toggling individual harmonics of the overtone series. CV-controllable mask and filter inputs.Sun, 05 Apr 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/intro-to-synthesis/https://signalfunctionset.com/projects/intro-to-synthesis/An interactive slide deck covering the fundamentals of subtractive synthesis: oscillators, filters, envelopes, LFOs, and the classic voice architecture.Sun, 29 Mar 2026 00:00:00 GMTeurorackworkshophttps://signalfunctionset.com/projects/fugue/https://signalfunctionset.com/projects/fugue/An 8-step harmonic deviation sequencer for VCV Rack. Generates three voices of evolving counterpoint from a single melodic sequence using interval offsets.Tue, 03 Mar 2026 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/eyesy-simulator/https://signalfunctionset.com/projects/eyesy-simulator/A native macOS and Windows simulator for the Critter & Guitari EYESY video synthesizer. Develop, test, and preview video synth modes without the hardware.Sun, 08 Feb 2026 00:00:00 GMTsoftwareeyesyhttps://signalfunctionset.com/projects/samplestack/https://signalfunctionset.com/projects/samplestack/A desktop sample manager for Eurorack and hardware samplers. Organize, browse, convert formats, and transfer sample libraries without the painful CLI workflow.Wed, 21 Jan 2026 00:00:00 GMTeuroracksoftwarehttps://signalfunctionset.com/projects/image-trip/https://signalfunctionset.com/projects/image-trip/An EYESY video synth mode that transforms static images into flowing kaleidoscopic animations by stretching and repeating rows and columns of pixels.Thu, 01 Jan 2026 00:00:00 GMTpluginseyesyhttps://signalfunctionset.com/projects/string-vibrations/https://signalfunctionset.com/projects/string-vibrations/An EYESY video synth mode that renders incoming audio as a scrolling 3D field of vibrating strings. Each string shows the waveform at a different moment in time.Wed, 31 Dec 2025 00:00:00 GMTpluginseyesyhttps://signalfunctionset.com/projects/granular-synthesis-workshop/https://signalfunctionset.com/projects/granular-synthesis-workshop/Workshop materials on granular synthesis: interactive timeline, curated mixtape, and historical notes from Fourier to Mutable Instruments. Run at Synth Library Portland.Sat, 13 Dec 2025 00:00:00 GMTeurorackworkshophttps://signalfunctionset.com/projects/gsx/https://signalfunctionset.com/projects/gsx/A real-time granular synthesis module for VCV Rack inspired by Barry Truax's pioneering GSX system. Grain density, duration, pitch, and spray under full CV control.Tue, 02 Dec 2025 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/drift/https://signalfunctionset.com/projects/drift/A 4-channel chaos LFO for VCV Rack with independent phase offset, per-channel scaling, and waveform morphing from sine through chaos. Built for generative patches.Sat, 08 Nov 2025 00:00:00 GMTpluginseurorackvcvhttps://signalfunctionset.com/projects/cubicles/https://signalfunctionset.com/projects/cubicles/An EYESY video synth mode: a 3D wireframe cube matrix with depth-of-field effects that pulses with brightness and color highlights in response to audio.Wed, 24 Sep 2025 00:00:00 GMTpluginseyesyhttps://signalfunctionset.com/projects/tempestuous/https://signalfunctionset.com/projects/tempestuous/An EYESY video synth mode inspired by classic vector arcade games: fly through a 3D tunnel that warps and pulses in response to incoming audio.Wed, 24 Sep 2025 00:00:00 GMTpluginseyesy