This is due to Plex not being currently licensed for Dolby AC4 which is what is used for ATSC3.0 NetGen channel streaming
See forum topic ATSC3.0 Broadcast and AC-4 Sound - Live TV & DVR - Plex Forum
This is due to Plex not being currently licensed for Dolby AC4 which is what is used for ATSC3.0 NetGen channel streaming
See forum topic ATSC3.0 Broadcast and AC-4 Sound - Live TV & DVR - Plex Forum