MATRIXSYNTH: FlatDSP Introduces RUNE for Ableton Live

Tuesday, September 08, 2026

FlatDSP Introduces RUNE for Ableton Live


video upload by Flat DSP

via the maker:


"I’m an electronic music producer and have been releasing music since 2006.

Making software instruments has long been a part of my practice, and now I am gearing up to release some of them.

I set up Flat DSP to give them a home, and the first one out the door is Rune: a Max for Live synth I’ve been working on for the last 18 months.

It's a characterful subtractive synth with a responsive, playful UI that encourages you to develop and explore sounds.

The synth engine is based on wavetables I sampled from hardware gear in my studio. It has a multi-mode filter, loopable envelopes, parameter instability control, an envelope range control and has a built-in reverb effect that can be fed from the filter or the filter delta output.

The gain structure is carefully designed to add character. It has a LoFi mode that introduces digital artefacts and a controllable amount of instability threaded throughout the architecture that introduces variation. It also works with Live’s tuning systems.

All of this is controllable in the UI. Each component is fully interactive and visually conveys what it is doing. It’s designed to be fun and quick to use without having to learn it inside-out, while still offering a deep level control of the synth engine.

Many of the UI objects have a second layer of parameters, and the UI flips to expose direct MIDI mapping within Live.

It is available now, priced at $35 which I hope is accessible enough to a lot of people. I’ve enabled regional purchasing-power pricing as well for places where it is not."

More Info: https://flatdsp.com/products/rune.
Purchase: https://flatdsp.gumroad.com/l/rune.

Features
Five sets of wavetables, sampled from analogue and digital sources
Dual oscillator core with sync, phase modulation and sub oscillator
Multi-mode 12dB filter, with audio rate modulation from OSC A
Loopable envelopes with speed-range control and attack punch
Flexible poly and unison voice control including stereo spread and detune
21 envelope and LFO modulation routings
VCA floor control to enable drone behaviours
Output softclip
Modulation wheel control over LFO modulation levels
Independent instability control over pitch and system drift
Built-in reverb, fed by either the filter or delta signal
Characterful gain structure with multiple points of saturation
Switchable LoFi mode for digital artefacts
All parameters visible within Live
Works with Live’s tuning systems

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