maxisynth, image 1 from its README
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maxisynth

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KORG logue SDK 2 for drumlogue synth unit sample code using Maximilian library

maxisynth is custom firmware for the Korg drumlogue, by @boochow. Open source under MIT, latest release v1.0.0 (May 2023), 13 stars on GitHub.

forKorg drumlogue·by@boochow

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MIT· boochow/maxisynth·downloads come from the creator’s GitHub releases

maxisynth: logue SDK 2.0 basic Synth unit using Maximilian library

This repository shows how to use the Maximilian library to develop a synth unit on the KORG logue SDK v2 for drumlogue.

Since logue SDK v2 currently provides only the APIs to communicate with the drumlogue, you must develop all components, such as oscillators, filters, and envelopes, to build your synth unit. You can reduce many tasks to implement these components with the Maximilian library.

How to build

Since Maximilian currently has some minor issues to use with logue SDK, use the patched fork of Maximilian, which I am providing at:

https://github.com/boochow/Maximilian

Place these repositories under logue-sdk/platforms/drumlogue/ like this:

drumlogue/
├── common
├── Maximilian
└── maxisynth

then type

../../docker/run_cmd.sh build drumlogue/maxisynth

and copy maxisynth/maxisynth.drmlgunit to your drumlogue.

The maxisynth repo has three branches:

  • main : a complete synthesizer unit with one oscillator, one low-pass filter, one envelope generator, and 12 parameters

  • band-limited-osc : a minimum synthesizer unit with one sawtooth oscillator and Note parameter

  • maximilian-synth-template : a modified version of dummy-synth as a starting point to develop a new synth unit with Maximilian

Block diagram

block diagram