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Case study: Casting a vote for IP

With elections taking place throughout 2024, broadcasters are facing the same pressure: nothing must go wrong. For this summer's election, the European Parliament turned to IP to help it deliver video to TV companies across the continent

For broadcasters covering any election, there is always something to think about, whether that’s renting power generators and cooling units, installing lighting, providing additional internet lines and sufficient 4G and 5G bandwidth, catering, expanding the number of connection points for the media, and so on.  

For this summer’s European election, the need to cover all bases was exactly the same.

The European Parliament encompasses several Directorates-General (DGs), i.e. internal units with dedicated, mostly technical tasks. Delivering the European Parliament’s main event requires contributions from a variety of DGs whose activities need to run in perfect sync. In 2024, the person in charge of coordinating all activities was Xavier Nijssen, head of technical operations and engineer at  the Directorate-General for Communication (DG-Comm). He set up a taskforce composed of key members from various external companies and the Parliament’s audiovisual service engineering team. 

European Elections Night 2024

The first organisational meetings started in September 2023 with an important consideration: the taskforce needed to be mindful of the fact that, due to the Euro 2024 and the Olympics, all key service providers, such as the production director, sound supervisors, the intercom provider and many others, needed to be contacted well in advance to ensure their availability. 

Next, the members of the task force discussed what they wanted to achieve—and how. Adopting the same approach as in 2019 would have had the advantage that the teams already knew how much that event had cost. Yet, given the technological advances and the perceived need to appeal to a younger audience, the task force decided to be more ambitious. 

By January 2024, all internal and external teams, including the stage builder, audio and video crews, key vendors, etc, were on board.  

A vote for IP

The European Parliaments in Brussels and Strasbourg are equipped with a comprehensive IP network for signal distribution. Owning and maintaining this IP network in-house means that, except for additional connectivity to externals, no ad-hoc network had to be architected for the election night event. 

The AV engineering teams briefly considered adding augmented reality, virtual elements, and even 3D effects to make coverage more attractive to a younger audience, but ended up dropping these plans. The suggestion to use a giant LED video wall was implemented, however. 

Hundreds of interpreters providing simultaneous translations into 24 languages and their infrastructure also needed to be coordinated. Then there was the provision of sufficient web streaming bandwidth to accommodate the press and the Parliament’s own multilingual OTT streaming platform, which also includes an international sign language and a real-time text channel. 

Finally, preparations involved aspects such as provisioning sufficient 4G and 5G capacity, WiFi, cable internet, etc. For this, Proximus, a Belgian internet provider, was asked to temporarily install 4G and 5G antennas. Approximately 1,000 smartphones were used to transmit the footage to production hubs all around the world. 

While some things, such as power generators and cooling units, haven’t changed over the last five years, the evolution in audio and video has been mindboggling. The transition to an IP-based backbone for audio, video and control signals, architected and installed in collaboration with Lawo, has had a major impact on operations. 

The same is true of LED screens: for the 2024 election, traditional beamers were replaced with a giant (240m2), curved  LED screen with a much crisper picture than ever before. Its deployment required special scaffolding, complete with 10 tons worth of counterweights, for a total weight of 35 tons for the entire construction. 

Another change between 2019 and 2024 was the transition from copper wire to internet connections between the European Parliament and the European Broadcasting Union over the EBU’s LiveU setup. The Parliament owns several LiveU servers and uses them for all occasions where signals need to be shared, such as multiplex setups for the election debate prior to the 2024 election night.

The LiveU matrix for the debate event was configured by a Eurovision team that came to Brussels with a flightcase, set up a control room and connected its equipment to the Parliament’s infrastructure. 

Approximately 90 per cent of all signals were sent using the broadcasters’ own LiveU services, over the venue’s network or the 4G/5G network. The remaining 10 per cent were transmitted via lines leased by the media. Although all broadcasters were expected to distribute their own signals, DG-Comm facilitated this process by channeling their signals to the master control room at the Belgian public broadcaster VRT, which acted as the EBU hub

For the election night, DG-Comm filmed, produced and delivered its footage from a dedicated ad-hoc control room, in collaboration with an external director hired for the occasion, and with in-house staff.  

On-site media crews were welcome to connect to the wall boxes scattered across the building, allowing all standup positions to view and use the available clean-feed content. “Thanks to our IP  network, everybody had access to everything,” explains Francis Vanroelen, design and maintenance audiovisual engineer.

Given the high number of lines to be distributed to the world, the AV Unit had architected a system that leveraged the private IP lines between Brussels and Strasbourg as well as the link between the EBU (Geneva) and Strasbourg. This enabled DG-Comm to accommodate all media channels, while still enjoying enough wiggle room for last-minute changes or additions. The networked broadcast/AV setup resulted in just a handful of SNG trucks with satellite uplinks in Brussels. 

Redundancy

Over the last few years, the Parliament has invested in core Lawo IP infrastructure, mainly for in-house and inter-campus signal distribution. The IP network is available in duplicate (“red” and “blue”) for redundancy, while an additional BNC network provides secondary baseband backup.  

Election-night redundancy was deployed as follows: all audio and video essences were transported over the IP red and blue paths, with the most important signals additionally fed to the HD BNC network. This was because the Parliament’s AV Unit considers that a robust backup plan on an altogether different “island” remains indispensable in the event of a system hack or attack. 

All signals shared with the media and outside destinations originated from a rented control room, which produced the content provided by the European Parliament. Those signals were converted to IP and shared via the Parliament’s network.

Being able to connect both the intercom and all Lawo mixing consoles to the IP network proved a major timesaver, making all signals accessible from anywhere. All signal routing and management of the IP core infrastructure was handled by Lawo’s VSM broadcast control system. 

Nijssen and all internal members of the election taskforce team were very pleased with the result: “We managed to remind the world that the European Parliament really is the beating heart of the European  Union,” he said.

“Without the wonderful teams that worked together like clockwork,  it would have been impossible to deliver the 2024 election night. I want to thank everybody who contributed to the success of this event,” he added.