void Update() { if (Input.GetKeyDown(KeyCode.A)) { // source select A-1 MidiOut.SendControlChange(MidiChannel.Ch1, 0, 0); MidiOut.SendControlChange(MidiChannel.Ch1, 32, 0); MidiOut.SendProgramChange(MidiChannel.Ch1, 0, 0); } if (Input.GetKeyDown(KeyCode.S)) { // source select A-2 MidiOut.SendControlChange(MidiChannel.Ch1, 0, 0); MidiOut.SendControlChange(MidiChannel.Ch1, 32, 0); MidiOut.SendProgramChange(MidiChannel.Ch1, 1, 0); } }