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Stephen F. Austin State University Keeps The Music Going With Dante

SFA Sound Recording Technology freshman and guitarist Tanner Tankersly prepares for a tracking session. Image courtesy of Andrea Pacas.

Stephen F. Austin State University in Nacogdoches, Texas has utilized Audinate’s Dante in its music and sound recording technology programs since 2018. In that time, Dante has not only become part of the curriculum, but has also enabled many of the university’s major live productions – including its impressive jazz performances.

But in 2020, Dante took on an additional role for the music department: an enabler of safe social distancing.

“When we looked at returning to classes in the Fall of 2020, we had to figure out how to hold music practice with safety considerations related to COVID,” said James F. Adams, Assistant Professor of Music and Director of Sound Recording Technology at the university. “We knew we needed to separate students into individual rooms because of the nature of many of the instruments. And, not surprisingly, it was Dante that came to the rescue.”

Dante is the de facto standard for digital audio networking, and distributes hundreds of uncompressed, multi-channel digital audio via standard Ethernet networks, with near-zero latency and perfect synchronization. Dante allows audio, control, and all other data to coexist effectively on the same network.

That near-zero latency is crucial in live performance. At SFA, keeping the latency under 7 milliseconds roundtrip across networked rooms allows students to perform in an isolated space – all while still hearing others in nearly real-time.

“To still have live music classes we had to ensure there was both minimal latency and that we could host students with as little risk as possible,” Adams said. “That meant vocalists needed their own room. Woodwind and brass players needed their own space. But with Dante behind all of our signals in and out of these locations we were seeing a sub-5 millisecond roundtrip delay in delivery from one room to another. For most that delay will be imperceptible. And so far, it has worked excellently.”

New facility, new workflow

Adams said the music department had already planned a move into a temporary space at the start of the 2020 Fall semester. This was due to the planned construction of a new music facility. The temporary space for the music department – once used as a facility for broadcast coursework – came with the need for updated infrastructure. While not a perfect setup for music, it did mean Adams and his team could plan for social distancing from day one of the retrofit.

“It actually worked out well in that we had multiple classrooms that were being unused,” Adams said. “We could make each of them an individual performing space and utilize Dante throughout.”

SFA Contemporary Ensemble performs, “Brown Eyed Blues” by Ben Harper. Image from streamed concert performance.

Six rooms are currently networked for live performance. Three of those spaces can welcome multiple performers who are not utilizing “wind power” for music. The other three are for single occupants. All rooms have HEPA filters and are meticulously cleaned after each use.

Focusrite RedNet X2P audio interfaces, which offer 2×2 Dante connectivity, are used in all rooms for both input and output. Microphones picking up the music being made in each room use the X2P to convert the signal to Dante. The Dante signal coming back into the room – typically the mix from the main control room – utilizes the outputs on the X2P devices, with students tapping in with headphones. Dante-native Focusrite RedNet AM2 devices, which offer stereo analog output for Dante networks, are also used for headphone output in rooms where multiple students are allowed.

Multiple Focusrite RedNet 2 I/O devices, a Focusrite A16R MkII I/O device, a Focusrite RedNet PCIe-R, and multiple Focusrite RedNet 5 devices – which enable Dante integration with Pro Tools – are utilized in the main control room.

“From the control room we mix the signal for distribution to students across the network,” Adams said. “We have connected everyone from singers, guitarists, trumpets, clarinets, drummers, you name it. It sounds great for every use we’ve needed.”

Near-term and long-term solutions

Adams said two additional performance rooms will be wired for Dante at the start of 2021. And, he adds, once the new music facility is complete it will be completely connected by a Dante network. Dante, he says, becomes a more obvious solution every day it is in use at SFA.

SFA Sound Recording Technology seniors Chase Deshazo, Kaitlyn Etie, and Rhett Gregory (L to R) prepare a session at the console. Image courtesy of Andrea Pacas.

“We learned a lot this semester about how flexible and scalable Dante really is,” Adams said. “People can still achieve a lot of great things if they can’t see each other. If they can hear one another, and there is minimal delay, then that is definitely enough. We’re at such a negligible delay right now that we can perform small concerts together. It’s very exciting.”

Adams said as it stands in the Fall of 2020, his department is utilizing a total of 250 Dante signals. But, he says, he expects that count to go up as the university begins to consider the use of audio-over-IP networking outside of the music department.

“The IT department is looking to us as a model for AV right now,” Adams said. “I’m getting asked daily about how we successfully solved our social distancing challenges. There are a lot of ideas about what our system will look like long term, but it is obvious Dante is going to expand throughout campus. This is a solution that isn’t just short-term. It’s a long-term answer.”

For more information on how Dante is enabling higher education, visit audinate.com/edu

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