Kiro Synth

This is my 4rd iteration on building a synthesiser ;-)

This time, these are my goals:

The synth logic can be used in embedded systems (I plan to build actual hardware from this).
Internally it is like a modular synth, where all the blocks (Osc, Lfo, Filter, Env, Dca, ...) can be patched together using a simple Rust DSL

This is the very beginning of this project and I plan to take quite some time developing it, but it already makes some noise ;-)

cd kiro-synth-host
cargo run --release

NOTE: You have to connect your MIDI keyboard before starting the synth. Also it only supports MacOS right now.

Screenshots

[x] Basic synth pieces: Oscillator, EG, LFO, Filter, DCA
[x] Rust DSL to build the synth graph as a program
[x] Basic voice management
[x] Parameters can be changed from MIDI events or a UI
[x] Controlling parameters from a Druid UI
[x] Modulation of parameters through a modulation matrix
[x] The modulation matrix can be tuned from the UI
[x] UI feedback for the modulations
[x] UI feedback for the number of voices
[x] UI feedback for the output levels
[ ] Fix modulation parameters value ranges
[ ] Fix LFO phase parameter
[ ] Add note expression as modulation sources (velocity, pitch, modwheel, after touch)
[ ] Patch management from configuration
[ ] Patch management from the UI
[ ] Internal signals explorer (oscilloscope, spectrum analyzer, Peak/RMS level meter)
[ ] Improve the program with more blocks (add one more EG and LFO)
[ ] Improve the program graph to include global oscillators parameters (octave, semitones, cents, drift, filter output)
[ ] Improve the program graph to allow FM synthesis using the oscillators
[ ] Improve the program graph to add more parameters for the oscillators (filter output)
[ ] Add a square waveshape (including new parameter for width)
[ ] Add noise waveshapes
[ ] Add more filters
[ ] Filter mode parameter shows the filter name in the UI
[ ] Improve the Knob widget to support logarithmic parameters
[ ] Unison ?
[ ] UI feedback for the CPU usage
[ ] ...