Live Midi Splitter

Control multiple MIDI instruments with one input.

Inspired by https://sourceforge.net/projects/midi-layer/, but easier to use with Jack/Pipewire VSTs in mind and better suited for playing live.

2024-04-17.22-24-50.mp4

Features / to-do

• Connect MIDI inputs and outputs
• Multiple presets that switch where MIDI is sent to
  • Switch between presets using MIDI program change
  • Allow switching using MIDI pads and send feedback
  • Preset groups/variants
• Filter MIDI ranges, i.e. keyboard split
• Send note-off and pedal off events to previous preset after switching to another
• Save and load state of the program
  • Auto save
• Filter and map MIDI CC
• Filter and map MIDI channels
• Velocity curves

Usage

1. Download the latest version from Github.
2. Extract the downloaded archive.
3. Run live-midi-splitter-version.
   • Optionally, you can provide the path to a preset file, for example live-midi-splitter-version "./some preset.lmsc"
4. • Open some software or connect some hardware that outputs and inputs midi.
   • Select the input(s) that you want to use.
   • Create preset(s) with the output(s) you want to send to.

Old examples:

A lot of these screenshots are of older versions of the software

Switching between presets with Program Change signals:

2024-01-07.01-58-33.mp4

Keyboard split / note filter

2024-02-26.19-51-37.mp4

Midi CC map and filter

VID_20240229_153223970_silent.mp4

Switching between presets while holding the sustain pedal:

2024-01-07.22-38-01.mp4