KLANG is a computational patching system designed to augment your analogue modular and retro synths. Start with a straightforward patch. Inject modifiers, behavioural glitchers, signal extensions, and structural disruption. Transform standard MIDI and CV behaviours into something entirely unexpected—without rebuilding your patch from scratch.
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KLANG is a visual, component-based music environment for building and performing hybrid systems across Eurorack modular, semi-modular and retro MIDI synths. It connects CV, MIDI, SysEx, and digital processes into a single real-time performance environment for creating controller-based hyper instruments.
KLANG extends retro MIDI synthesizers through extensive use of SysEx and MIDI CC, generating new sounds and dense layers of control that shape the motion and behaviour of sound over time.
Through MIDI-to-CV integration, KLANG also extends Eurorack systems, using open-ended software processes to create evolving control structures, behaviours, and interactions beyond conventional patching.

A KLANG coordinates multiple CV modulations and their timing relationships as a single structural system. Rather than patching isolated modulation sources independently, a KLANG organises them into a higher-level structure that can control how signals interact across an entire patch. This makes complex modular systems easier to manage, supports longer-form evolving structures, and allows subtle timing relationships between CV signals to become part of the sound and composition itself.

Plug in your MIDI controller to become a participant in continuous machinic performance loops, modulating the systems you build and redirecting productive flows and flux.

Bombard retro synths with dense streams of continuous controller data, using extended MIDI techniques to overload legacy circuits and coax entirely new, unstable soundscapes from vintage architectures.

- Apple Silicon Mac (M1 or newer recommended)
- macOS Tahoe or later
- 8 GB RAM minimum
- Metal-compatible graphics hardware
- MIDI interface or USB MIDI support (if using external devices)
- Internet connection required for updates and optional online features
- Apple Silicon Mac with M2, M3, or newer processor
- 16 GB RAM or higher
- SSD storage
- Dedicated audio interface with low-latency drivers
- Eurorack / MIDI hardware for hybrid system integration
- Multiple USB ports or powered USB hub for controller and device connectivity
- Clock drift compensation algorithms and techniques
For use with analogue modular systems, a MIDI-to-CV interface module is required, such as the Expert Sleepers FH-2 or equivalent hardware. Some commonly used MIDI-to-CV modules compatible with Eurorack and hybrid modular systems include:
Expert Sleepers FH-2
https://www.expert-sleepers.co.uk/fh2.html
Jake’s Custom Shop MIDI-to-CV Modules
https://jakescustomshop.com/product-category/midi-to-cv/
Bastl Instruments 1983
https://bastl-instruments.com/instruments/1983
Erica Synths Black MIDI-CV V2
https://www.ericasynths.lv/shop/eurorack-modules/by-series/black-series/black-midi-cv-v2/
Befaco MIDI Thing V2
https://www.befaco.org/midi-thing-v2/
Doepfer A-190-3
https://doepfer.de/a1903.htm
Intellijel MIDI 1U
https://intellijel.com/shop/eurorack/1u/midi-1u/
Endorphin.es Shuttle Control
https://endorphin.es/products/shuttle-control

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