Do you have RB? If so check it out and see it is also has the same problem. On my system PT is a little bit easier on the CPU than RB, but RB is still solid. I am on XP3 with M-Audio ASIO, and Tascam US 800 ASIO, neither have a buzz or distortion.


HP Win 11 12 gig ram, Mac mini Sonoma with 16 gig of ram, BiaB 2025, Realband, Reaper 7, Harrison Mixbus 9 32c , Melodyne 5 editor, Presonus Audiobox 1818VSL, Presonus control app.