Regan Hughes: In the midst of the world cup what else was there to talk about other than Rugby? Kordia had both the privilege and responsibility of carrying and transmitting most of the rugby feeds from the stadiums to our TV screens. And now that the smoke has cleared – this blog paints a high level picture of how it was all done.
These days everything is ‘IP’ (i.e. packaged up into small packets to be sent across IP networks). For many IP television applications a technology called ‘multicast’ is used, which enables a single source to be sent to multiple destinations. This is what was used for both the feeds from the stadium and also the transmission from the broadcasters to our homes (on Freeview or Sky).
You’ll be pleased to know that in most cases there wasn’t one, or two, but three methods of transporting the rugby from the ground. There’s fibre to the major stadiums, satellite and microwave radio. These feeds were constantly monitored during the games and if one was to fail, it would switch to the backup in a matter of seconds.
On these three transmissions there were two feeds sent at the same time – called the clean feed and the dirty feed. The clean feed is completely free of graphics, and was sent to the IRB so that they had an uninhabited view of game (enabled close checking of mouth guards for brand infringement), the dirty feed included the host broadcaster’s graphics. The dirty feed is sent to broadcasters who will often add their own commentary.
If you have any questions about how we carried the rugby, tweet me at www.twitter.com\reganhughes
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