Acknowledgements

OPEN SOURCE

The built-in sound engine uses open source code. Thanks to the people who wrote it and shared it. Every library below is MIT licensed and used in line with that licence. The same notice ships inside the app, in Settings.

Open303

The acid bass voice, a 303-style emulation.

github.com/RobinSchmidt/Open303

DaisySP

Oscillators, filters and chorus for the polyphonic voices. Includes code ported from Mutable Instruments by Emilie Gillet.

github.com/electro-smith/DaisySP

Ladder filter

The four-pole filter, by way of the Audio Library for Teensy.

FFT package

Builds the bandlimited wavetables the oscillators read.

kurims.kyoto-u.ac.jp/~ooura/fft.html

What is ours

Everything else is our own. All patterns, grooves and presets are original, and every drum and instrument sound is synthesized in real time rather than sampled, so no third-party audio is included.

Licence

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files, to deal in the Software without restriction. The software is provided “as is”, without warranty of any kind.