Editing Openai/693306da-bfa4-800c-bbf4-86d6eabddb76 (section)

=== Assistant: Yep, I get exactly what you're doing. ===
Yep, I get exactly what you're doing.

Chain:
Physical MIDI keyboard → TouchOSC (as a processing/transform node) → Ableton (final MIDI destination)

Meaning:
* You don’t want Ableton to see the raw MIDI from the keyboard.
* You want TouchOSC in the middle to filter, remap, quantize, scale, script, transform CC/notes, whatever.
* Then only after that, forward the modified MIDI to Ableton.

Totally valid setup. TouchOSC can act like a MIDI router + transformer if configured with scripting (Lua) + MIDI routing.

===== TouchOSC is not a MIDI host by default; it won’t magically “thru” MIDI unless you: =====
# Enable MIDI bridge / routing internally
# Or use a virtual MIDI port on PC (rtpMIDI / loopMIDI)

So working setup usually looks like:

===== <syntaxhighlight>Keyboard → TouchOSC (input) =====
TouchOSC → Virtual MIDI Port (loopMIDI / IAC / rtpMIDI)
Virtual MIDI Port → Ableton

</syntaxhighlight>

===== You need to turn on: =====
* Settings → MIDI → enable input from keyboard
* Output to a virtual port, not back to the keyboard
* (Optional) Lua transformation scripts in TouchOSC

===== - Disable direct MIDI from keyboard (otherwise the “raw” signal bypasses TouchOSC!) =====
* Enable input only from the virtual port

Example:

|     |     |     |
| --- | --- | --- |
|     |     |     |
|     |     |     |

That ensures Ableton only sees what TouchOSC outputs.

===== - custom note scaling =====
* alternative tunings
* CC filtering (remove modwheel noise etc)
* velocity curves
* generative scripts
* channel remapping

If you want, I can write you:
* TouchOSC Lua: filter note range, remap CCs, transpose octave, add scale lock
* Full routing setup diagram

Just tell me what transformations you want TouchOSC to do before Ableton gets the MIDI.

What exactly do you want to process? (e.g., velocity → CC, note quantize, scale, latch, etc.)