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June 2014 l 33


broadcastfeature


OB/STUDIO UPGRADES The upgrade path that is associated with major sporting events actually gets underway long before some of the important preliminaries. For example, Brazil- based OB company Mix2Go invested in multiple Focusrite RedNet Ethernet-networked audio interfaces as part of its wider digital audiovisual network for the broadcast and recording of the World Cup fi nal draw.


Dutch fans at the 2010 World Cup in South Africa: Will recent advancements in the broadcast experience leave previous World Cup coverage in the dust?


The latest additions to a truck that utilises an Allen & Heath mixer and stage racks, as well as Audinate’s Dante platform for all its networked audio requirements, the Focusrite spec includes a RedNet two-channel A–D/D–A interface, a RedNet 3 32-channel digital I/O, a RedNet 6 MADI Bridge and three RedNet PCIe cards. “I need to give the option of delivering the programme through MADI, AES/EBU or analogue,” says Mix2Go sound engineer Daniel Reis. For the FIFA World Cup fi nal draw, the


team decided to use its RedNet 2 to deliver the fi nal live mixes to the video OB truck. The RedNet 3, meanwhile, was employed as an additional monitoring reference via the AES/EBU outputs. The set-up for the fi nal draw event consisted of a large Dante network that linked two OB trucks parked in different locations outside the venue to the main stage. Two stage boxes (one primary and one backup) were located in the main arena, connected to gigabit network switches using Cat-6 cables. Signals from this stage rig were sent via multi-mode fi bre cables to another pair of switches inside the music OB truck, about 150ft (46m) away. Inside the truck, the fi bre signal was converted back to Ethernet and routed to two Mac Mini computers, which handled the multitrack recording, using Pro Tools and Audinate’s Dante Virtual Soundcard (DVS) driver. The signals from stage were also routed simultaneously to


TSL Products’ SoundField X-1 in use at BBC Sport


the live mix console, from where the fi nal broadcast stems were routed to RedNet 2, located inside the video OB truck. Here, the stems were converted to analogue then mixed with the rest of the event’s audio and added to the fi nal video feed, which was then sent to a distribution truck to be broadcast to television stations all around the world.


Brazilian regional TV network TV TEM has also been taking steps to enhance its set-up ahead of this summer’s footballing festivities, purchasing new digital microwave equipment from Integrated Microwave Technologies (IMT) for


installation in OB vans and motorcycles used by the TV TEM Sorocaba and TV TEM São José do Rio Preto stations. More specifi cally, IMT’s Nucomm Compact Portable Tx-II (CPTx-II) RF video transmitters and microLite HD transmitters are being used to create fully functional motorcycle news vehicles. Meanwhile, two Nucomm Newscaster VT7.4 HD/SD ENG/SNG/OB van transmitters will be employed to expand on its traditional ENG operations along with two RF Central RMR-X6-II digital diversity receivers.


Meanwhile, another Brazilian broadcaster, São Paulo-based





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