Please try clearing the system cache and rebooting your device.
If issue persists, please send us an error report with screenshots from One UI Beta App (Beta Feedback -> Send feedback-> Error Reports -> "Select Category" -> Input frequency and Description" -> Send (Top Right Icon). We appreciate your help for supporting beta program.
I dont get static noise but I do hear a very subtle beep or pulse sound every few seconds, which goes away whenever I use headphones with the usb-c to 3.5mm adapter
