I haven't tried it myself, however a friend recommended Soundjack. He is currently testing it for ultra low latency radio situations on Leipzig's Sphere Radio: https://www.soundjack.eu/index.php/problems
Maybe it helps.
On 05/11/20 10:50, pd-list-request@lists.iem.at wrote:
Re: live audio broadcast (radio) to lan with low latency (Peter P.)