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Riedel MediorNet Delivers For Spain's 'Gran Hermano VIP'

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Riedel Communications has deployed its MediorNet solution for the fifth season of Spanish reality show, Gran Hermano VIP (Big Brother VIP).

MediorNet provides a redundant and decentralized signal routing and transport infrastructure for the on-location house in the show, located near Madrid, moving video from more than 70 cameras and audio signals originating from four mixing consoles.

Spanish broadcast equipment and solution provider Crosspoint S.A.L. worked with Gran Hermano VIP producer Zeppelintv, a division of EndemolShineIberia, to design and install the MediorNet network in the Gran Hermano VIP House.

The network consists of five MediorNet Compact Pro frames, two MediorNet MetroN frames, and 18 MediorNet MicroN high-density media distribution network devices, all connected over a 10 Gbps optical fiber network to form a decentralized routing matrix.

The MediorNet Compact Pro and MicroN frames are placed in five strategic locations throughout the Gran Hermano VIP House to collect signals from all 70 camera sources. The MicroN devices are able to multiplex camera signals along with Pan/Tilt and camera control data and deliver them to the machine room over a few 10G fiber links. The MediorNet network also serves as the audio router, with audio channels coming from the four mixing consoles via MADI interfaces. In addition, the production is using Riedel's RockNet real-time audio network devices to provide additional analog audio inputs and outputs.

In the machine room, one MetroN frame provides routing for all fiber links and outputs the signals to the vision mixer. The second MetroN acts as a backup, providing full redundancy. Redundancy is also built into the network through dual fiber paths, with one set of fibers in the suspended ceiling and the other underground. This setup gives MediorNet the ability to reroute signals in the event of a network error.

"For 'Gran Hermano VIP,' we had fairly complex networking requirements. The network topology had to handle all of the inputs and outputs needed to put on a show with multiple cast members moving from room to room. We also needed a single system from which we could sync all cameras," explained José Luis Gacal, Technical Director at Zeppelintv. "After our experience with Riedel MediorNet on another production last year, we knew it could provide the flexibility, reliability, and ease of operation we needed for this show. We also appreciate the modularity of MediorNet, which means we can repurpose the components and reconfigure the network for different types of productions."

Maribel Roman, General Manager, South Europe at Riedel Communications, commented: "For this challenging 24/7 production, with eight simultaneous program feeds, there was truly no room for error. With 'Gran Hermano VIP,' MediorNet has solved many complex technical challenges to create a reliable, fully redundant, and easy-to-manage network that can serve as a model for other types of reality shows. The fiber-based MediorNet network meant the 'Gran Hermano VIP' production was able to drastically reduce the amount, weight, and cost of cabling that had to be pulled through the house. Also, MediorNet's powerful signal transport and integrated processing features give the production the ability to handle frame sync for the cameras, embedding/de-embedding, and Ethernet-based camera control all within a single system."

Image: Riedel MediorNet topology for 'Gran Hermano VIP' ('Big Brother VIP').


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