@ zerinovic
Che driver stai utilizzando? Asio4all, o wasapi ?(windows audio).freq.48khz? Buffer 480? (10ms)
Ecco lo screenshot delle impostazioni di Ableton:
https://drive.google.com/file/d/1xdNznO5A6ikWOfJ-DOu6IEe0oU9N-Y95/view?usp=sharing
Le impostazioni Keyzone:
https://drive.google.com/file/d/1SsWuAQ6s9LZnqxjRLwSs79vZ9waG6cdF/view?usp=sharing
Allego anche file audio registrato in Ableton di una progressione di accordi:
https://drive.google.com/open?id=1D7joQj5xdoMLMwoLVuoHaDsemeNWaMLB