MIDI Aftertouch / Pressure Test
Use this to verify whether pressure-sensitive keys or pads are transmitting aftertouch data.
MIDI pressure / aftertouch monitor
Connect a MIDI device, then start the monitor.
MIDI access depends on browser/platform support and user permission. DeviceOK does not install drivers or change your controller firmware.
What happened?Choose the result you observed.
Privacy: MIDI pressure messages stay local.
What this test tells you
This test checks
- Polyphonic aftertouch
- Channel pressure
How to read the result
Many MIDI keyboards do not support aftertouch.
No message can mean unsupported hardware, disabled configuration or a connection problem.