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Remote Production Using NewTek NDI Over 19 KM Fiber Optic Connection

June 02, 2016 by Chuck Baker

Live production and streaming company WeStreamU of Stockholm, Sweden, was intrigued by the possibility that NewTek NDI offered to assist in cross-production between remote locations. NDI is intended to enable video transport for production and distribution within a 1GB Ethernet Local Area Network (LAN).   However, WeStreamU realized that Stockholm’s internet infrastructure company, Stokab, by building fiber optic networks both within Stockholm and connecting to the surrounding region, had essentially extended the reliability and speed of a LAN across that geographic region.  So, WeStreamU contacted Stokab for assistance in setting up a production experiment. The production partner for this experiment was a conference event located in nearby Kista, Sweden, called Kista Nod.

View over the technical director's shoulder, live-switching the conference on location in Kista, Sweden.

View over the technical director's shoulder, live-switching the conference on location in Kista, Sweden. The sign- interpreter from the remote location is being IMAG projected at top right of the screen above the stage.

Live video was streamed from the conference location to the WeStreamU studio in downtown Stockholm, where a sign-interpreted live-stream was created and sent out. The sign interpretation was also streamed back to the conference, and IMAG projected to provide to the live audience in the venue.  NDI performed successfully with very low latency, demonstrating that with the bandwidth that modern network infrastructure offers, the protocol can make cross-production between remote locations as practical as moving video between studios within a single facility.

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A snapshot from the live-stream: the green screen is replaced with a virtual set of a background wall and a large monitor displaying the live video from the conference. Note that a different virtual background was provided for the video of the interpreter sent back for IMAG projection in the venue.

Read the WeStreamU blog entry: Documentary: Stockholm Kista cross production using NDI over fiber

Learn more about NewTek Network Device Interface (NDI)

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The studio in Stockholm, with the sign interpreter working in front of the green screen. The assembled live stream video, with the interpreter included, is showing on a confidence monitor at right.
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