| 21CN | 21 st Century Network - British Telecom's name for their planned replacement - all IP based network | |
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| 3G | Third Generation -mobile phones | |
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| API | Application Programming Interface | |
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| BMRB | British Market Research Bureau | |
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| BSkyB | British Sky Broadcasting - Digital Satellite Platform operator in UK and Skydigital receivers and services. | |
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| CAI | Confederation of Aerial Industries | |
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| COFDM | Coded Orthogonal Frequency Divisional Multiplexing - A means of modulating DTT frequencies. Currently the UK deploys the 2K variant but is set to migrate to the 8K alternative that can allow a single frequency network and mobile TV possibilities | |
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| CRT | Cathode Ray Tube | |
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| DCMS | Department for Culture Media and Sport | |
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| DFES | Department for Education and Skills | |
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| DH | Department of Health | |
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| DiTV | Digital interactive television | |
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| xDSL | Digital Subscriber Line. The "x" prefixes represents different network alternatives such as ADSL (Asynchronous); SDSL (Synchronous) networks | |
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| DTG | Digital Television Group | |
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| DTI | Department of Trade & Industry | |
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| DTT | Digital Terrestrial Television - For Digital TV via an aerial | |
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| DTV | Digital Television | |
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| DiTV | Digital interactive television | |
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| DVR | Digital Video Recorder. Typically referred to as PVRs but unlike such products like Tivo or Sky+ are not tied to a monthly service subscription | |
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| EBU | European Broadcasting Union | |
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| e-GIF | E-government Interoperability Framework | |
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| e-GU | e-Government Unit - the largest unit in the Cabinet Office responsible for formulating information technology ( IT) strategy and policy, developing common IT components for use across government, promoting best practice across government, delivering citizen-centred online services. | |
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| EPG | Electronic Program Guide | |
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| ETSI | European Telecommunications Standards Institute | |
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| FTA | Free to Air | |
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| Freeview | Name of service operating on the UK Digital Terrestrial TV Platform. Freeview is co-owned by the BBC, CrownCastle UK and BSkyB Marketing. | |
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| HDTV | High Definition TV. An extension of DTV to provide high resolution bandwidth hungry services. | |
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| IDS | Interactive Digital Sales - Division of Flextech focused on Interactive Advertising | |
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| IDTV | Integrated Digital Television set - a TV with built in digital decoder, typically for Freeview DTT. | |
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| IPTV | Internet Protocol Television | |
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| IrDA | Infrared Data Association: an organisation that defines the infrared communications protocol used by many laptops & mobile phones to exchange data at short ranges. | |
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| iMP | Interactive Multimedia Player - new video on demand application from the BBC enabling viewers to watch programmes up to a week after first shown | |
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| LED | Light emitting diode | |
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| Mbps | Megabits per second | |
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| MCIM | Member of the Chartered Institute of Marketers | |
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| MHEG | Multimedia and Hypermedia Experts Group. Develops within the International Standards Organisation ( ISO) several standards, which deal with the coded representation of Multimedia and Hypermedia Information. MHEG-5 is the fifth standard developed and is utilized in UK Freeview DTT receivers to supply Digital Teletext and other enhanced data services. | |
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| MHP | Multimedia Home Platform - Interactive middleware standard from DVB | |
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| MMS | Multimedia Message Services - Sending of richer picture/video based messages | |
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| OPDM | Office of the Deputy Prime Minister | |
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| OEM | Original Equipment Manufacturer. A company that manufactures a product and sells it to a reseller. | |
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| PIN | Personal Identity Number | |
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| PPV | Pay Per View | |
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| PSB | Public Service Broadcast | |
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| PVR | Personal Video Recorder - such as Sky+. PVRs are essentially DVRs with hard disk storage linked to an EPG available on a monthly subscription | |
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| QAM | Quadrature Amplitude Modulation | |
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| SCART | Syndicat des Constructeurs d'Appareils Radio Récepteurs et Téléviseurs - French created but now World standard 21 pin connector for AV connections between TV and peripheral devices. | |
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| SMS | Short Message Services - Mobile Phone Texting of data based messages typically by and to mobile phones | |
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| SSSL | Sky Subscribers Services Ltd | |
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| Telco | Telecoms company | |
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| TDN | The Digital Network. Consortium of DTT platform Multiplex Operators | |
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| V0D | Video on demand | |
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| WAP | Wireless Application Protocol - A global, open standard for providing mobile phones, pagers and other handheld devices with secure access to e-mail and simple webpages. | |
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| WEEE | European Community directive on Waste Electrical and Electronic Equipment which together with the RoHS-Directive became European Law in February 2003, setting collection, recycling and recovery targets for all types of electrical goods. | |
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| WiFi | Wireless Fidelity | |
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| WIMAX | an acronym that stands for Worldwide Interoperability for Microwave Access | |
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| WiBro | Wireless Broadband: a broadband wireless internet technology being developed by the Korean telecoms industry | |
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| STB | Set top box | |
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| OFCOM | Office of Communications | |
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| LA | Local Authority | |
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