MIDI messages can be formed of MIDI Type, Channel, Note and Velocity (where applicable). Ctrl for iPad has support for the MIDI Types shown below:

  • Note On
  • Note Off
  • Program Change
  • Control Change
  • Key Pressure
  • Channel Pressure
  • Pitch Bend Change

Channels can range from 0 to 15, Notes from 0 to 127 and Velocity from 0 to 127.

MIDI can be sent from Push Buttons with a fixed message or with variable velocities from Faders and Steppers.