Riedel MediorNet provides decentralized and redundant signal routing for Spain s Big Brr VIP

Riedel MediorNet provides decentralized and redundant signal routing for Spain's Big Brother VIP' MediorNet provides a transport infrastructure for the on-location Gran Hermano VIP House near Madrid, moving video from more than 70 cameras and audio signals originating from four mixing consoles.

Riedel Communications' MediorNet real-time network is a critical behind-the-scenes player for the fifth season of the popular Spanish reality show Gran Hermano VIP (Big Brother VIP). MediorNet provides a redundant and decentralized signal routing and transport infrastructure for the on-location Gran Hermano VIP House near Madrid, moving video from more than 70 cameras and audio signals originating from four mixing consoles. As Spain's celebrity version of the worldwide Big Brother franchise, Gran Hermano VIP launched its current season in January.

Spanish broadcast equipment and solution provider Crosspoint worked with Gran Hermano VIP producer Zeppelin Tv, a division of Endemol Shine Iberia, 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.

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, said Jos 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.

Gran Hermano VIP follows the same formula as the Big Brother programs in dozens of other countries, which has a group of contestants or housemates living together in a specially constructed house that is isolated from the outside world. The twist with Gran Hermano VIP is that the contestants are well-known Spanish celebrities. During their stay in the Gran Hermano VIP House, contestants are continuously monitored by live television cameras and various microphones.

70 cameras

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, a task that would otherwise require a large and heavy bundle of copper cabling. The MediorNet network also serves as the audio router, with audio channels coming from the four mixing consoles via MADI interfaces. In addition, the Gran Hermano VIP 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 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, said Maribel Roman, General Manager, South Europe at Riedel Communications. 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 .

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