A live judo stream may appear to move naturally from one contest to the next, but every broadcast depends on a technical team managing pictures, data and venue information at the same time.
Using the Sarajevo European Open as an example, the European Judo Union explained how a modern event brings together multiple camera feeds, instant replay, scoring, contest statistics, venue screens, call-room operations and the production feed delivered to viewers around the world.
The same images also support officiating. Referee supervisors can review decisive actions, while spectators inside the venue follow the contest order and scoreboards. With video, scoring and draw information working together, the technical crew has become an essential part of international judo.
Source
European Judo Union: The Hidden Engine of Judo's Digital Era