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What is Digital Television? Digital technology provides a more efficient way to deliver television than with analogue transmissions. It enables the same services to be delivered in less space with greater clarity. Sound and pictures are converted into a digital format and compressed, using as few bits as possible to convey the information on a digital signal. This technique enables several television channels to be carried in the space used by the current analogue signals to carry one channel. Digital signals can be received by standard aerials, satellite dishes or via cable but have to be decoded and turned back into sound and pictures by using a separate set-top box, or a decoder built into your television (an integrated digital TV set/ iDTV). Digital television has already changed the way more than 15 million UK households think about TV.
Digital and multichannel penetration of UK households
(Information in this blog provided by DigitalUK)
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