The benefits of digital radio are simple to most people who are in the know, and sooner or later people will look back and wonder why we didn’t have digital radio sooner, and why we put up with the conventional analogue system as long as we did - we’ve had the analogue system since the 1920′s and suddenly in 2010 it’s been made obsolete by the arrival of DAB Digital.
When you’re listening to AM or FM radio on an analogue signal, you constantly get your signal interrupted by buildings, the weather or even something mundane like a squirrel sitting on a wire 200 miles away, and when you’re in your car it gets even worse. As soon as you get out of a set area you lose the signal for the station you’ve just been listening to, and the less said about driving under bridges and in built up areas the better! This is often caused by multipath interference, which is when the radio signals bounce off buildings and trees before they reach your radio, and causes blackouts and crackling on your radio.
You don’t get any of this on a DAB Digital radio, and the signals come directly to your radio and play with crisp, clear audio without any interference. This is even the case when you’re in a major city or up in the mountains. The signal can generally always find you and 85% of the UK is now covered by digital radio signals.
The computer in a digital radio combats the multi signal interference and if part of the signal is disrupted at any point, it can auto correct it and use forward error correction to reconstruct the broken signal before you even realise it’s happened. So, even if the signal is constantly being interrupted whilst you’re driving or in your house you won’t even notice the disruption to the signal as you don’t even realise that the correction is happening.
Another bonus is that you can see the name of the station that you’re listening to on any kind of digital radio. This makes it easier to find the station again and some even offer a ‘favourites’ function so you can save the radio station for next time you want to listen to it. It also has a fancy feature that tells you what song or programme is playing at the time, meaning that if you ever hear a new song or chat show, you can look out for it again next time.
There is also a very impressive flexibility with DAB Digital radio. Some programmes, like chat shows, don’t require much audio data, whereas things like concerts and music need a higher level.
The DAB digital radio can accommodate all of this and can be altered to suit whatever it’s playing at the time. It even means that it can change depending on the time of day and the amount of channels and stations currently available and split them into relevant channels of signals. This makes sure that you get as many stations as possible, unlike with analogue where you can often have a lot of disruption between stations during peek times.
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