What about something like this?

To test, update on testing branch and create a layer with the “x42 Instrument Tuner” Audio-FX.
FYI, the tuner GUI is in this file:
/zynthian/zynthian-ui/zyngui/zynthian_gui_tunaone.py
Feel free to improve it!
Enjoy!
What about something like this?

To test, update on testing branch and create a layer with the “x42 Instrument Tuner” Audio-FX.
FYI, the tuner GUI is in this file:
/zynthian/zynthian-ui/zyngui/zynthian_gui_tunaone.py
Feel free to improve it!
Enjoy!