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Advantages Possibly most important advantage for listener is near CD audio quality that DAB can bring. Hiss and fading are now a thing of past. Not only is quality better but more stations can be accommodated within available space and this means that there is a much greater degree of choice.

Another important facility provided by DAB digital radio is its data capability. Data is transmitted alongside main audio and this can be displayed on a screen that many DAB sets have built in. This may be title of a song being broadcast, a plot summary for a play, up to minute sports results, or whatever broadcaster feels is appropriate. In fact some stations scroll news headlines across screen, or provide other useful free information including Electronic Programme Guides.

Not only does system bring many advantages for listener, but it also helps broadcaster. Lower power levels are required for transmitters. This saves considerably on cost of electricity. This is particularly important for large national networks like BBC and others. With transmitters often using 100 kW and more, costs for running these transmitters are very high. Also by reducing power consumed, it helps environment.

Another advantage is that DAB uses what is termed a Single Frequency Network. This means that all transmitters in same network use same frequency without interfering with each other. Currently a national network using VHF FM, for example, has to use a number of frequencies so that transmissions do not interfere. DAB Digital Radio does not need this and space needed for broadcasts is much less. This also brings another advantage for mobile listener because there is no need to retune receiver onto another frequency when moving out of coverage area of one transmitter into next.