TV
Dec
9

What is the Digital Switchover?

Television throughout the UK is changing, from the traditional analogue system, where transmissions are received through a standard TV aerial, to a new digital-only system.

Digital transmissions can still be received by an existing TV aerial, if it is connected via a set top box to your existing TV set, or to a replacement iDTV (integrated Digital TV) - but also via cable, satellite, or a telephone connection. This is essentially, what the digital switchover is all about, and if you do not convert, or replace, your TV equipment before the switchover you will not be able to receive TV channels afterwards.

When is the digital switchover happening?

The digital switchover is taking place gradually throughout the country. The first full-scale switchover took place in the Scottish Borders on 6 November 2008, and the process will continue through the TV regions until 2012. The Granada, West Country, and Wales TV regions are scheduled for switchover during 2009; West, Grampian, and Scottish during 2010; and so on.

How will the digital switchover affect you?

Most existing TVs can be adapted to receive digital transmissions via an inexpensive set top box, starting at around £40, or you might like to consider an iDTV, which is essentially a TV set with a digital decoder built in. A small percentage of households, estimated at between 2% and 10% may also require a replacement external aerial for satisfactory reception of digital TV signals.

You can get digital-ready TVs from stores including John Lewis.

The “digital tick”

The good news for consumers is that a special logo, or certification mark, known as the “digital tick”, has been developed so that digital TV products and services that will work up to and beyond the digital switchover can be readily identified - it’s bright pink.

Find out more about the digital switchover here.

Nov
10

What is Digital TV?

Digital television is the future of television and will soon be the standard way of receiving your television services. It has been available since the end of the 1990s, but has become more mainstream over the last decade. Over the next four years the older analogue broadcasts of television will be phased out across the UK - and by 2012 you will only be able to watch television via digital broadcasts.

The main reasons that broadcasting corporations and the government have been in favour of the digital switch over is the increased functionality, efficiency and flexibility of digital broadcasting as opposed to analogue.

Picture and sound quality are much higher, and interactive TV features can be offered to everyone -helping with advertising, news and information sharing across what was previously a restricted, one way medium.

Also many more channels can be offered on digital TV, giving the viewer much more choice.

The first digital TV was provided via cable or satellite, and required a monthly contract, but offered a huge variety of channels and pay per view events. However, Freeview Digital TV, which is not subscription based, can be received over a traditional TV aerial (though it does require a decoder box or a TV with a built in decoder to work - many digital TVs now include a Freeview decoder). This offers many different channels all for free if you have the right equipment, and has been widely taken up by many households around the country.

The newest kind of free to air, non-subscription based digital television comes in the form of Freesat, which is a digital satellite TV service. It has the advantage of being able to broadcast in high definition (HD), another increasingly popular development in digital TV broadcasting technology.


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