Related Research Articles
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, Channel 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.
Top Up TV was a pay TV service in the United Kingdom that was launched in March 2004, operating on the digital terrestrial television platform. The service aimed to "top up" Freeview customers by providing additional content and services through encrypted TV channels unavailable to other viewers.
Dave is a British free-to-air television channel owned by UKTV, a subsidiary of BBC Studios. It broadcasts mainly comedy, with some factual programming. The channel took the name Dave on 15 October 2007, but it had been on air under various identities and formats since October 1998.
1080i is a combination of frame resolution and scan type. 1080i is used in high-definition television (HDTV) and high-definition video. The number "1080" refers to the number of horizontal lines on the screen. The "i" is an abbreviation for "interlaced"; this indicates that only the even lines, then the odd lines of each frame are drawn alternately, so that only half the number of actual image frames are used to produce video. A related display resolution is 1080p, which also has 1080 lines of resolution; the "p" refers to progressive scan, which indicates that the lines of resolution for each frame are "drawn" on the screen in sequence.
Digital terrestrial television in the United Kingdom encompasses over 100 television, radio and interactive services broadcast via the United Kingdom's terrestrial television network and receivable with a standard television set. The majority of digital terrestrial television (DTT) services, including the five former analogue channels, are broadcast free-to-air, and a further selection of encrypted pay TV services are also available.
1080p is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the screen vertically; the p stands for progressive scan, i.e. non-interlaced. The term usually assumes a widescreen aspect ratio of 16:9, implying a resolution of 2.1 megapixels. It is often marketed as Full HD or FHD, to contrast 1080p with 720p resolution screens. Although 1080p is sometimes informally referred to as 2K, these terms reflect two distinct technical standards, with differences including resolution and aspect ratio.
Freesat is a British free-to-air satellite television service, first formed as a joint venture between the BBC and ITV plc and now owned by Everyone TV. The service was formed as a memorandum in 2007 and has been marketed since 6 May 2008. Freesat offers a satellite alternative to the Freeview service on digital terrestrial television, with a broadly similar selection of channels available without subscription for users purchasing a receiver.
Now is a subscription over-the-top internet television service operated by British satellite television provider Sky Group. Launched in the United Kingdom in 2012, the service is also available in Ireland, Italy, Germany, and the United States.
ITV1 HD is a British free-to-air high-definition public broadcast television network operated by ITV plc, the company which is contracted to provide 13 ITV1 services across the UK. ITV1 HD simulcasts them in high-definition. ITV1 HD is available to view in England, Wales and the Scottish Borders on Freesat via channel 103, Freeview channel 103, Sky channel 103, Virgin Media channel 103 and in Switzerland on SwisscomTV.
BT TV is a subscription IPTV service offered by BT; a division of United Kingdom telecommunications company BT Group, and was originally launched as BT Vision in December 2006. As of the end of June 2019, BT TV had 1.9 million customers.
There are four major forms of digital television (DTV) broadcast in the United Kingdom: a direct-to-home satellite service from the Astra 28.2°E satellites provided by Sky UK, a cable television service provided by Virgin Media ; a free-to-air satellite service called Freesat; and a free-to-air digital terrestrial service called Freeview. In addition, an IPTV system known as BT TV is provided by BT. Individual access methods vary throughout the country. 77% of the United Kingdom has access to HDTV via terrestrial digital television. Satellite is the only source of HDTV broadcast available for the remaining 23%.
High-definition television in the United Kingdom is available via cable, IPTV, satellite and terrestrial television. The first high-definition broadcasts began in late 2005 and since then the number of channels available to view has grown to a maximum of 87 that can be viewed on pay-TV service, Sky.
Freeview is the name for the collection of free-to-air services on the Digital Terrestrial Television platform in the United Kingdom. The service was launched at 5 am on 30 October 2002 and is jointly operated by its five equal shareholders – BBC, ITV, Channel 4, BSkyB and transmitter operator Arqiva. This article documents the history of the Freeview service, from its inception up to the present.
4K resolution refers to a horizontal display resolution of approximately 4,000 pixels. Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 3840 × 2160 is the dominant 4K standard, whereas the movie projection industry uses 4096 × 2160.
Sky Sports is a group of British subscription sports channels operated by the satellite pay television company Sky Group, and is the dominant subscription television sports brand in the United Kingdom and Ireland. It has played a major role in the increased commercialisation of British sport since 1991, and has sometimes played a large role inducing organisational changes in the sports it broadcasts, most notably when it encouraged the Premier League to break away from the Football League in 1992.
TNT Sports is a group of pay television sports channels in the United Kingdom and Ireland. Owned by Warner Bros. Discovery Sports Europe and BT Group, they first launched on 1 August 2013. The channels are based at Warner Bros. Discovery's complex in Chiswick Business Park, London, having been based at Here East, the former International Broadcast Centre in the Queen Elizabeth Olympic Park in London until July 2023. The channels are available on the BT TV, Sky and Virgin Media television platforms in the UK and Sky and Vodafone TV in the Republic of Ireland.
Ultra-high-definition television today includes 4K UHD and 8K UHD, which are two digital video formats with an aspect ratio of 16:9. These were first proposed by NHK Science & Technology Research Laboratories and later defined and approved by the International Telecommunication Union (ITU).
References
- ↑ "BT Ultra HD (4K TV)". BT.
Sport Ultra HD was the UK's first Ultra HD channel and it's exclusive to BT TV.
- ↑ Jane McEntegart (23 May 2011). "BBC HD Begins Broadcasting in 1080p". Tom's Hardware– via Engadget.
Feature of the Freeview HD spec that allows the broadcaster to dynamically select between 1080p / 25fps and 1080i / 25fps transmission.
