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Super Bowl LIV and Halftime Show Get Audio Assist from ATK Audiotek and Focusrite RedNet

FOH Staff • News • February 4, 2020

One of the four racks of Focusrite RedNet interfaces in each corner of the field during Super Bowl LIV to provide input and output to the ATK Audiotek Dante networks, including the adjacent amplifier racks. Photo by Chris Mayes-Wright

MIAMI GARDENS, FL – ATK Audiotek deployed Focusrite RedNet gear venue-wide for the Super Bowl and its halftime show, the biggest American television event of the year. All audio aspects of the Super Bowls are the responsibility of ATK Audiotek, who chose Dante-network enabled RedNet gear from Focusrite Pro to manage the complexities of both the game and the entertainment extravaganza of a live stadium concert during halftime.

More details from Focusrite (www.focusrite.com):

Focusrite RedNet interfaces, shown here in the skybox FOH mix position for Super Bowl LIV, were deployed throughout the Hard Rock Stadium. Photo by Chris Mayes-Wright

The Super Bowl is the biggest American television event of the year. With an estimated 100 million viewers and per-minute advertising costs upwards of $10 million, it’s a high-stakes, big-budget event that attracts viewers of all types, with its mix of sports, entertainment and pageantry. All audio aspects of the Super Bowls are the responsibility of ATK Audiotek, who chose Dante-network enabled RedNet gear from Focusrite Pro to manage the complexities of both the game and the entertainment extravaganza of a live stadium concert during halftime.

For 2020’s Super Bowl LIV in the Hard Rock Stadium in Miami Gardens, two large-scale sound systems were in use – a flown house system and ATK’s field cart system. In addition, ATK provided and operated the substantial backbone of routing equipment and input/output interfaces to patch all the systems together, and allow audio to flow from inputs to mix positions, to amplifiers and speakers, and also to external partners such as broadcast and recording trucks. “That’s where having Dante and RedNet comes in to play.” says ATK’s Kirk Powell, who led audio production for the event.

Focusrite RedNet D64R 64 x 64 MADI/Dante I/O interfaces connect the ATK Dante network with off-network production and broadcast trucks, including resolving the audio to external clocks and sample rate conversion. . Photo by Chris Mayes-Wright

Once the structure of the system is plotted out, the preconfiguration was implemented by system designer and FOH mixer for the entertainment aspects of the 2020 Super Bowl, Alex Guessard, in a 50-foot-by-50-foot space in the ATK shop in California. “First, we reset the devices and put the new configuration in them.” While requiring a methodical approach for such a complex system, updating firmware, naming channels and making subscriptions on RedNet devices is a straightforward task, thanks to Dante Controller and RedNet Control.

Powell elaborates, “In the shop, you can verify the patch is working by just running a 10-foot cable. It’s so much easier than having to walk to the catwalk and back down again, just to check a cable or connection.” Once the whole stadium worth of equipment is configured and operational in one place, the deployment process is as simple as positioning the racks and connecting the fiber or network cables. “RedNet and Dante really allow a huge amount of flexibility.”

In its cutting-edge setup, ATK racks are positioned in nearly every corner of the stadium. Columns of input and output interfaces, amplifiers and network switches activate all over the stadium. In each position, RedNet units are performing various operations. Nodes at grass-level, at each corner of the field, comprise RedNet MP8R, RedNet A16R and RedNet D16R units.

Also within the ATK remit is sharing audio with the various broadcast trucks and mobile production facilities on site. Powell and Guessard have devised a standardized way of interfacing with all of these external partners via RedNet D64R 64×64 Dante to MADI interfaces. Each partner can be responsible for the clocking of their respective digital audio systems, Guessard explains, “The RedNet D64Rs are really good because they allow us to create different islands.” Each island (or truck) supplies a word clock via BNC to the RedNet D64R responsible for transporting their respective MADI signals where on-board sample-rate conversion allows for the MADI channels to be transported at the desired sample rate.

Possibly the most important human aspect to the audio system is the role of Patchmaster, handled for Super Bowl LIV by Luis Montes from a nook in the underbelly of the Hard Rock Stadium. As the central hub of ATK’s network, every home run from each nodes’ network switches comes to Montes’s patching world via an overhead bundle of cables as wide as a water main. Montes uses a RedNet AM2 two-channel D-A converter with line-level connections and a headphone output to audibly monitor signals on the network for source verification and quality control.

“It’s a very adrenaline-filled show,” says Guessard, “From the moment the halftime whistle is blown we have six minutes to deploy and connect everything — the stage gets set up, the speaker carts get wheeled on, and all the artists have to be set up on the stage. It’s the same for lighting, and the same for video.” After the 12-minute performance — this year featuring the quintessentially Miami performance by Jennifer Lopez, Shakira and surprise guests Bad Bunny and J Balvin — another commercial break covered the stage strike and, as Powell says, “the stadium has to look like nothing happened.”

Guessard summarizes the Super Bowl system by saying, “there’s no way we could do what we do today without a networked system. With the channel counts that we have and the mass distribution, it’s not feasible.”

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