In order to model the mappings between hand positions and effects parameters, Wekinator is used. The model can be trained directly using the MIDI controller by selecting the effects (with buttons) and the parameters values (with knobs) and hitting on the `REC` button. The `REC`, `TRAIN` and `RUN` buttons control the MIDI interface (if no MIDI controller is available, the buttons in the screen interface can also be controlled with the mouse). This way, the user can dynamically train and use the model without having to use the keyboard or mouse. When running the model on unseen combinations of effects, the mappings and hence, the resulting sounds, will be unpredictable.
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