Quick Guide: Digital switchover
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What is digital TV?

Why switch?

What's on offer?

What if I want more channels?

When do I switch?

Can I get help?

What is digital TV?

Digital technology means television signals can be transmitted more efficiently, freeing up more space for more channels and services.

The signals are converted into a digital format and compressed, allowing several digital channels to be carried instead of a single analogue channel.

Viewers will need to decode the signals with a set-top box or integrated digital TV (iDTV) set.

If you can watch BBC Three or BBC Four, you already have digital TV.

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