maxisynthsvf: logue SDK 2.0 not so 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.

This forks boochow' excellent work from maxisynth

Changes

• Uses two oscillators (with detune and transpose)
• Adds a dedicated Amplitude Envelope
• Switch the biquad filter to the SVF filter
• The SVF can be set to bandpass/highpass/lowpass/notch/custom
• The custom filter mode let you set a mix of the four filters states
• Releases uses an exponential scale, it can go from 1ms to a dozen seconds
• Longer attacks and decays

Notes

This is my first attempt at such project, it's working fine for me but glitches and bugs might happen which, within a synth engine can be loud noise and such, which might break your ears/equipments.

Just be careful and rehearse accordingly if you're taking this on stage or in the booth.

TODO

• I'm not happy with the way the filter cutoff scrolls
• I'll need much bigger release envelopes at a later stage

This means the presets/motions will break across versions!!!

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.

Upstream project

https://github.com/boochow/maxisynth