Yep, can't integrate live audio via Nostr, nor should you; Notes are meant to be plain text. That type of thing is utterly unsuited to Nostr.

Which is why my mind is blown that people are presenting this deployment of an audio only room as a Nostr based app of some description.

Even if / when you have proper `Sign in with Nostr` SSO, that makes it a Nostr based app like integrating Sign in with Google or Facebook SSO means you have a Google-based or Facebook-based app.