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Sami W.,EBU Technical
EBU Technical Review

The release of the band 790-862 MHz from broadcasting has started in several European countries and its use for LTE mobile networks is expected to become effective on a Pan-European scale in the next few years. Being immediately adjacent to the remaining UHF broadcasting band 470-790 MHz, interference may occur to broadcast reception from LTE base stations or user terminals using the band above 790 MHz. This article presents the theoretical studies performed in Europe by the CEPT in order to assess the risk of interference and to derive harmonised technical conditions that European Administrations will have to include in the licences for mobile network operators in this band, in order to reduce this risk as much as possible. The article is intended to help regulators, inside and outside Europe, to understand the issue of adjacent-band interference from mobile networks into broadcasting networks, and to define adequately the means and the responsibilities for solving these problems when they occur. Source

Evain J.-P.,EBU Technical | Burger T.,DERI
EBU Technical Review

The purpose of this article is to raise awareness of Semantic Web technologies and on-going convergent developments between broadcasting and the Internet, i.e. in the W3C, the EBU, TV-Anytime and IPTC. It provides an overview of the genesis of the Semantic Web and its evolution towards Linked Data. Moreover, it introduces related technologies and W3C specifications. After providing basic know-how on ontology modelling, the authors present in detail the W3C Media Annotation ontology, a metadata format for the description of media resources on the Web. This is followed by the identification of the main advantages and distinct features of RDF/OWL, and some disadvantages which are mainly due to a lack of market maturity of related technologies. Finally the big picture around interoperability between the W3C Media Annotation Working Group (MAWG) and the main media metadata communities (EBUCore, MPEG-7, TV-Anytime and NewsML-G2) is drawn at the eve of the introduction of HTML5 and RDFa, two key enabling technologies. Source

Coinchon M.,EBU Technical | Roehrich S.,EBU Technical | Barroco M.,Swiss Institute of Technology
EBU Technical Review

The EBU, in partnership with CRC from Canada and Global Labs from the UK, has integrated a full digital radio chain that is hybrid and multiplatform. The objective is to demonstrate a functional radio chain from production through to the listener, using a hybrid broadcast/broadband delivery platform for radio in Europe. This article gives a technical explanation of how the different elements have been integrated. Most of these elements are available in free open source for further development, or for use by broadcasters or the industry. In early March 2011, the platform was demonstrated at the Geneva Motor Show. Source

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