A Raspberry Pi of nearly any vintage will run Docker and the Extension, along with an inexpensive USB CD player you probably already have…
For fun I made up a wireless setup DIY: Roon CD Player/Ripper
I rip all my CDs but wanted to try it out and it works great. SQ isn’t as good as playing rips directly but it works and I’ll use it from time to time. I too use convolver…
Follow Jan’s how-to, there really isn’t much to it