Cant find any info about this, but does this requires a soundcard?

I saw that someone installed this on Proxmox and then in a LXC, but my server doesnt have a soundcard.

I do have a working Roon Core server that connects to my Marantz Cinema 50 over the network.

Im thinking to start using Plexamp instead because its easier and nicer looking!

Tahnks for a superb guide!

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