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D-book
The D-Book is the UK technical specification for digital terrestrial television (DTT). The Digital TV Group (DTG) has published and maintained the D-Book for over a decade and the specification is updated annually to keep up with the pace of development in UK DTT. The D-Book is compiled by DTG Working Groups composed of industry experts from the DTG’s staff and membership of around 150 broadcasters, manufacturers, technology providers and other organisations who continually update and peer-review the specification. Conformance to D-Book standard allows products to use the Digital Tick, Freeview, Freeview + and Freeview HDlogos. The D-Book is only available to members of the Digital TV Group. History The first edition of the D-Book was written in 1996 when the current standard for terrestrial broadcasting DVB-T was new and untried. From the outset, the D-Book was an implementation guideline and referenced fundamental standards where possible. But many of the component pa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freeview (UK)
Freeview is the United Kingdom's sole Digital terrestrial television in the United Kingdom, digital terrestrial television platform. It is operated by Everyone TV and DTV Services Ltd, a joint venture between the BBC, ITV plc, ITV, Channel Four Television Corporation, Channel 4, Channel 5 Broadcasting Limited, 5 and Sky UK, Sky. It was launched on 30 October 2002, taking over the licence from ITV Digital which collapsed that year. The service provides consumer access via an Television antenna, aerial to the Digital terrestrial television in the United Kingdom#The multiplexes, seven DTT multiplexes covering the United Kingdom. As of July 2020, it has 85 TV channels, 26 digital radio channels, 10 HD channels, six text services, 11 streamed channels, and one interactive channel. Delivery of standard-definition television and radio is labelled Freeview, while delivery of HDTV is called Freeview HD. Reception of Freeview requires a DVB-T/DVB-T2 Tuner (television), tuner, either in a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freeview HD
Freeview is the United Kingdom's sole digital terrestrial television platform. It is operated by Everyone TV and DTV Services Ltd, a joint venture between the BBC, ITV, Channel 4, 5 and Sky. It was launched on 30 October 2002, taking over the licence from ITV Digital which collapsed that year. The service provides consumer access via an aerial to the seven DTT multiplexes covering the United Kingdom. As of July 2020, it has 85 TV channels, 26 digital radio channels, 10 HD channels, six text services, 11 streamed channels, and one interactive channel. Delivery of standard-definition television and radio is labelled Freeview, while delivery of HDTV is called Freeview HD. Reception of Freeview requires a DVB-T/DVB-T2 tuner, either in a separate set-top box or built into the TV set. Since 2008, all new TV sets sold in the United Kingdom have a built-in Freeview tuner. Freeview HD requires an HDTV-capable tuner. Digital video recorders (DVRs) with a built-in Freeview tuner are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DVB-T
DVB-T, short for Digital Video Broadcasting – Terrestrial, is the DVB European-based consortium standard for the broadcast transmission of digital terrestrial television that was first published in 1997 and first broadcast in Singapore in February 1998. This system transmits compressed digital audio, digital video and other data in an MPEG transport stream, using coded orthogonal frequency-division multiplexing (COFDM or OFDM) modulation. It is also the format widely used worldwide (including North America) for Electronic News Gathering for transmission of video and audio from a mobile newsgathering vehicle to a central receive point. It is also used in the US by amateur television operators. Basics Rather than carrying one data carrier on a single radio frequency (RF) channel, COFDM works by splitting the digital data stream into a large number of slower digital streams, each of which digitally modulates a set of closely spaced adjacent sub-carrier frequencies. In the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
BBC IPlayer
BBC iPlayer (stylised as iPLAYER or BBC iPLAYER) is a video on demand service from the BBC. The service is available Over-the-top media service, over-the-top on a wide range of devices, including Mobile phone, mobile phones and Tablet computer, tablets, personal computers and smart televisions. iPlayer services delivered to UK-based viewers are free from commercial advertising. To use the service, a valid Television licensing in the United Kingdom, TV Licence is required by law. The terms BBC iPlayer, iPlayer, and BBC Media Player refer to various methods of viewing or listening to the same content. BBC iPlayer launched in 2007. Previously, a separate BBC iPlayer Radio brand was used for radio services but this was replaced with BBC Sounds in 2018. The current logo and rebranding to "iPLAYER" has been in use since 2021. Currently, some programmes can be watched in UHD on iPlayer as part of an ongoing trial, as well as streaming major live events in 4K on iPlayer History ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
