Content Delivery

Single frequency networks for HD with DVB-T2

www.dna.fi
End user: DNA
Supporting partners: TeamCast, Ericsson and Plisch

DNA, the digital terrestrial television transmission provider in Finland, needed to roll out high definition channels, for which it needed to develop a more spectrally efficient system. For commercial reasons it also needed to get the offering on air quickly, and within tight budgetary constraints.

The solution was to use DVB-T2, making it one of the transmission bodies to implement the new standard. DVB-T2 supports single frequency networks (SFN), meaning that every transmitter uses the same channels, rather than neighbouring transmitters using different channels to eliminate interference. The third innovation developed by TeamCast, which makes the DNA solution unique, is to use not large, high powered transmitters – the normal broadcast architecture – but existing cellular broadcasting sites, covering metropolitan areas with a network of low-powered, synchronised SFN transmitters from Plisch. The result is excellent coverage, achieved in less than 18 months of publication of the DVB-T2 SFN specifications.

Digital End To End

www.warnerbros.com
http://www2.warnerbros.com/web/corpcomm/portal/press_release.jsp?id=IBCFinalist06.30.11
Supporting partners: Accenture and AmberFin

As one of the world’s biggest producers of television and movies, Warner Bros. Entertainment Inc. has to deliver its content to a huge array of customers: broadcasters; cable, satellite and IPTV headends; mobile phone carriers; cinemas; web-based digital storefronts and more. Warner Bros. Technical Operations identified the need to move from physical delivery of tapes to file-based distribution, and developed DETE: the digital end to end system.

Warner Bros. in partnership with Accenture designed and developed the service oriented architecture at the heart of DETE, with the AmberFin iCR providing the ingest coding and content processing. Accenture also provided project management alongside the Warner Bros. team which led the development of the system. Already it is delivering thousands of files a month to hundreds of users, with faster delivery times, more consistent quality and greater efficiency for its customers.

Metroethernet Backbone

www.tvglobo.com.br
End user: TV Globo
Supporting partners: Globo.com, Cisco and Intelig

TV Globo needed to update its links between facilities in Brazil, and elected to move away from service-oriented point to point links in favour of IP circuits for live content as well as file exchange. In conjunction with telecom operator Intelig it has implemented a fibre backbone, using state of the art dense wavelength division multiplexing (DWDM), providing the potential for future bandwidths as high as 40Gb/s.

The new network is known as Metroethernet. As well as high capacity, DWDM guarantees quality of service allowing TV Globo to rely on it for live transmission. The capacity also means it can move to JPEG2000 for contribution links, reducing latency as well as boosting quality. The entire network is configured to be redundant for maximum availability, with dual edge routers at each site. As well as raising capacity between TV Globo sites by a factor of 20, it has reduced the operational cost by 40%.