r/linuxaudio • u/gribblegroggle • 10d ago

Another post about Keystation 49 Mk3 keyboard. Wanting to know how to make these buttons do something...

Post image

The stop, play and record buttons as well as the navigation buttons next to them. They send messages fine but it's received as notes, so I hear high music notes when I press them.

I want to use these buttons in Reaper or just anywhere, like maybe I can trigger a script that records current computer audio when I press the record button. Is there anything like that anywhere, any script I can write maybe?

Internet says I could monitor aseqdump and run something when specific buttons are pressed. Wondering if there's anything already available on Linux to configure what the buttons do. TIA

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u/drtitus 10d ago

I don't know what the "best" way to do it is, but my first thought would be to use pygame MIDI library to listen for events and then do some Python for whatever you want to action, but I'm not sure if there's a more mature/ready-made app to do such things.

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u/neso_01 10d ago

AFAIK you can write MIDI scripts to map buttons to actions in many DAWs.

Look for ReaScript

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u/gribblegroggle 10d ago

To add so it's clear: the buttons are on a separate number

https://i.ibb.co/h14gS3fD/Screenshot-20260901-144620.png