Arturia, AKAI

 https://www.ffmpeg.org/download.html#build-windows

windows-10-sound-keyboard

https://www.sencha.com/products/extjs/communityedition/

https://blogs.embarcadero.com/rad-server-and-sencha-crud-grid/?utm_source=linkedin&utm_medium=social&utm_content=RADServerSencha&utm_campaign=blogs

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electro:

https://www.creativechannelpro.com/2020/03/how-to-make-d718-and-b688-stereo-audio.html?m=1

https://www.astuces-pratiques.fr/electronique/ampli-a-tda2030