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These are “often subject to change for different production needs,” he added.įinally, device configuration, entailing “software programming all of the media-specific parameters to make the endpoint usable and ready to be provisioned in the broadcast control room,” he said. These can be multicast addresses of audio, video and data streams frame sync-enabling, output timing alignments, or audio mapping. The second stage centres on programming the minimum set of endpoint device parameters to make it possible to reach the devices’ management interface.
This means configuring network switches and ports that allow for installation at the place they were used, cutting out staging stations that need human interaction. Firstly, network deployment is vital, he explained, as it eliminates the need for separate staging stations and the risk of errors from human manipulation. Key to the plans outlined by Poulin is automating deployment. “This is a major switch for a broadcast operation,” he claimed. They applied concepts from continuous integration and continuous deployment, such as scripted configurations, sanity checks and monitoring. To address the challenges, CBC looked across IT industries and how they have implemented technology and automation, ultimate focussing on data centres.
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“It is not sustainable to maintain a manual facility when it is as large as this one,” he explained. This setup allows CBC to connect 1000s of devices and overcome significant challenges, such as the need for regular updates and setup of more parameters per device. “With this quantity of project to deliver in the coming years, we believe that investing in automating the deployment is the only way to achieve this huge task,” he said. IEEE 1588 Precision Time Protocol operating with the SMPTE ST 2059 profile maintains accurate timing while the Canadian broadcaster is also using AMWA NMOS, Ember+ and proprietary API protocols for control, he said. The architecture is based on JT-NM TR-1001-1 and uses SMPTE ST 2110 (-20, -30 and -40) for transport and a dual spine-leaf COTS network with SMPTE ST 2022-7 redundancy, said Poulin. This includes its first major project based around state-of-the-art IP-based technology.
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To facilitate this, CBC has engaged in a full IT refresh across all of Canada.
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All of CBC’s French speaking arms will be based there, with 20 TV channels and 80 radio channels operating out of the centre across both traditional broadcast and IP. It will be home to a continuous news channel, 13 radio stations and 60 post-production units.
There are also two TV studios and two multifunctional studios, with two control rooms. Joined by his colleague, project leader – core systems – Alexandre Dugas, Poulin said the new 420,000 square foot space operates 10 studio floors and four automated control rooms. Speaking during a SMPTE2020 session, CBC/Radio Canada director of media transport architecture Felix Poulin explained the facility will become the headquarters of its French language network in Montreal. During the design and early deployment of this major facility, it became clear that we would need to automate and manage the staging and configuration of the thousands of media devices in a fashion similar to an IT data centre. IP has been one of the core themes across the broadcast industry this year, with the Covid-19 pandemic forcing broadcasters to reconsider how they can be more flexible across workflows.ĬBC/Radio-Canada is putting the finishing touches to its new IP-based production hub in Montréal.