jriggy,
If you have not seen, you might want to check out https://audiophilestyle.com/forums/topic/57261-sonore-compact-disc-digital-audio-streaming/
It's an interesting idea. Used microRendu units are pretty reasonable and 2.8 card from Sonore to update to use the idea not very expensive. It appears to me you could access the cd stream from Roon.
If you have not seen, you might want to check out https://audiophilestyle.com/forums/topic/57261-sonore-compact-disc-digital-audio-streaming/
It's an interesting idea. Used microRendu units are pretty reasonable and 2.8 card from Sonore to update to use the idea not very expensive. It appears to me you could access the cd stream from Roon.