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Albert’s Memorial

Sir David Jason stars in ITV’s drama about three Second World War veterans with a dark secret

Accused

Jimmy McGovern’s six story series of ordinary people in the dock for the BBC

Above Suspicion: Deadly Intent

ITV’s latest crime thriller from the pen of Lynda La Plante

Bouquet Of Barbed Wire

Trevor Eve stars in ITV’s psychological drama of obsessive love

The Crimson Petal & The White BBC2’s new psychological thriller about Victorian London

DCI Banks: Aftermath

Police investigate a serial killer in this new drama from ITV

Downton Abbey

ITV’s costume drama about the Crawley family and their servants

Kidnap & Ransom

Starring Trevor Eve in South African drama for ITV1

The Oaks

ITV’s new supernatural drama starring Alex Kingston and Jodie Whittaker

Outcasts

BBC’s science fiction series about troubles with a new colony on the planet Carpathia

Joe Maddison’s War

ITV’s Second World War Home Guard drama starring Kevin Whatley and Robson Green

The Shadow Line

BBC2’s police versus drug dealer noir thriller

Silk

BBC1 drama featuring barristers dealing with tough cases

Single Father

David Tennant stars in the humerous drama Single Father for the BBC

The Sinking Of The Laconia

World War II drama based on a true inspirational story

South Riding

BBC 1 drama based in a Yorkshire community during the 1930s.

The Suspicions of Mr Whicher

Paddy Considine stars in ITV’s 1860’s murder in a country house drama

Upstairs Downstairs

The BBC takes us back to 1930’s Belgravia

U Be Dead

David Morrissey stars in ITV’s obsessive stalker drama

Vera

ITV’s new police series starring Brenda Blethyn as DI Vera Stanhope.

 

 

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What is Digital Television?

 

Digital TV has several advantages over analog TV, the most significant being that digital channels take up less bandwidth, and the bandwidth needs are continuously variable, at a corresponding reduction in image quality depending on the level of compression as well as the resolution of the transmitted image.

 

More channels and services

 

This means that digital broadcasters can provide more digital channels in the same space, provide high-definition television service, or provide other non-television services such as multimedia or interactivity. DTV also permits special services such as multiplexing (more than one program on the same channel), electronic program guides and additional languages (spoken or subtitled). The sale of non-television services may provide an additional revenue source.

 

Digital reception

 

Digital signals react differently to interference than analog signals. For example, common problems with analog television include ghosting of images, noise from weak signals, and many other potential problems which degrade the quality of the image and sound, although the program material may still be watchable. With digital television, the audio and video must be synchronized digitally, so reception of the digital signal must be very nearly complete; otherwise, neither audio nor video will be usable. Short of this complete failure, "blocky" video is seen when the digital signal experiences interference.

 

3D - How it works

 

Scenes are filmed using double cameras to emulate human stereoscopic sight although there is some compromise of resolution to enable distribution over existing HD networks.  The TV receiver displays the left camera’s image on the odd-numbered lines of the screen and the right camera’s image on the even lines.  A special polarised screen is needed.

 

The dual images are viewed using active shutter glasses so that the left eye sees only the left camera image and the right eye only the image from the right camera.

 

It is possible to take 2D images and reprocess them by adding additional data to create two separate images.  This uses similar technology to the Blu-ray 3D disc.

Homepage What is Digital Television?