MIDI controller-filter-router, sound generator, available in kit or fully assembledDesigned by pangrus' electro acoustic lab in Italy
Multi is a multifunction device whose primary use is that of the midi controller, of very small size. Unlike the latest generation commercial controllers, it has a USB port and two DIN connectors. I…Read More…
multi is a multifunction device whose primary use is that of the midi controller, of very small size. Unlike the latest generation commercial controllers, it has a USB port and two DIN connectors.
It is completely programmable, therefore allows functions that cannot be obtained in a computer-free setup.
multi also has the possibility of being used as a sound generator because it is equipped with a 10-bit DAC converter. It's perfect to explore digital synthesis techniques.
multi hosts a Seeeduino XIAO with a powerful ATSAMD21G18A-MU microcontroller, 6 pots, 2 pushbuttons, 2 Midi DIN connectors and a 1/8' audio connector. The MIDI input is opto-isolated to avoid grounding loops, as required by official specifications.
Bend multi to your needs
You can program your multi as you need, using the Arduino IDE. For example, you can assign multiple MIDI control changes to a single knob and send them to different MIDI channels.
It allows any kind of MIDI filtering and routing operation and it may also functions as a bi-directional USB to DIN converter.
You can program multi as a simple sequencer, algorithmic arpeggiator, aleatoric patch generator or anything else you can think of.
The software is open source and is available in a github repository.
There are already several usable software and the list is constantly expanding:
multi can produce sounds using the Mozzi sonification library written by Tim Barrass or accessing directly to the DAC output.
Here's video showing multi used as a synth with sequencer:
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