The ideal audio setup

https://gearspace.com/board/music-computers/991372-what-audio-interface-synths-not-mics.html

Utiliser des boites de direct ? http://chambinator.free.fr/english/diboxus.htm

e.g : https://www.thomann.de/fr/radial_engineering_jdi.htm

maybe not : https://forum.vintagesynth.com/viewtopic.php?t=34109#:~:text=Since%20synths%20are%20almost%20always,can%20great%20results%20without%20one.&text=There%20is%20no%20reason%20to,a%20line%20level%20synth%20output.

Motu interface with midi timestamps ? https://gearspace.com/board/electronic-music-instruments-and-electronic-music-production/1112683-do-usb-midi-interfaces-send-midi-faster-than-midi-spec-3.html

Electrical buzz

Plug (us)

• Hot hole (right) : black, goes to circuit breaker
• Neutral hole (left) : white, goes to circuit breaker neutral bar
• Ground hole (down): goes to circuit breaker ground bar then neutral bar

How to remove ground loop issues

See https://www.youtube.com/watch?v=DSxvNtW5n6c

Using https://www.thomann.de/fr/radial_engineering_pro_d2.htm : interrupteur de masse + signal stereo asym vers sym (jack ts vers xlr). passif

Remove ground on audio cables to the speakers with : https://www.sescom.com/products/view/product/productslug/il-19-pro-audio-hum-eliminator-inline-with-isolation. xlr to xlr. passif

Remove ground on usb cables ! https://www.amazon.fr/iDefender-Type-A-%C3%A0/dp/B0849J33T9?th=1. actif avec alim sans ground