MIDI Action: Channel Aftertouch
The Channel Aftertouch action is a MIDI-based output. It transmits a MIDI Channel Aftertouch message to the specified MIDI device when activated.
Channel Aftertouch messages are transmitted after a note has been pressed. It sends the average pressure data of all keys currently held down on a specified MIDI channel. As apposed to Poly Aftertouch which transmits the pressure data of each individual note being held down on a specified MIDI channel.
Action Inputs
Channel
The MIDI channel that the MIDI Channel Aftertouch message will be sent down.
| Type | Whole Number (Integer) |
|---|---|
| Required | Yes |
| Min - Max Value | 0 - 15 |
| Allows Variables | Yes |
| Allows Template Text | No |
The MIDI channel values in Aitum are 0-15. Most MIDI software and hardware define MIDI channel values as 1-16. This is true for the channel values of both Notes and Control Changes.
This means that setting a channel to 0 in Aitum is equal to 1 in most other devices and software’s. The Aitum team intends to change the values internally to be 1-16 in a future update. (Update timeline TBD)
Pressure
The Pressure of the MIDI Channel Aftertouch message.
| Type | Whole Number (Integer) |
|---|---|
| Required | Yes |
| Min - Max Value | 0 - 127 |
| Allows Variables | Yes |
| Allows Template Text | No |