This is what ChatGPT-4 had to say about real-time (audio) and different types of CPU priorities.

Status: [✔️] Verified by @gkiagia:matrix.org in #pipewire:matrix.org (Thank you!) user: What's the difference between a process' CPU priority and a realtime priority? CPU priority (also known as niceness in Unix-like systems) and real-time priorit...