UDP Multicast Audio Streaming

I'm streaming audio over UDP Multicast via Ethernet to my Netgear R6120 modem with latest OpenWrt version from my laptop. I installed luci-app-udpxy and igmpproxy . The audio is being sent to ESP32 clients over WIFI. This is working however the audio is a bit choppy compared to what I was getting with the stock firmware. For some reason when I edited my /etc/config/igmpproxy and added these 2 lines to config interface lan the stream stopped working so I removed them.

    option type bridge
    option igmp_snooping 1

Any thoughts on what I should do to get a smoother multicast stream?
Thanks