With information able to be sent along with sound on a digital radio transmission, listeners with LCD screens can receive information such as what song's currently playing, what station they're on, simultaneous news feeds, phone numbers that correspond to the ads they're currently listening to, album art and much more. (Credit: Pure) What else can digital radio do? The downside is that you either get signal or you don't.Īs well, digital radios are also usually easier to tune - instead of fiddling with a dial to find the strongest frequency for a station, listeners choose a station by name from a menu, with the digital radio automatically locking on to the appropriate frequency at a push of a button. While AM/FM radio quality can suffer from interference caused by signals bouncing off walls, buildings, hills and other structures, digital radio receivers have built-in technology that cleans and filters transmissions, making interference practically non-existent. Digital radio works by turning sound into digital signals for transmission and then decoding them at the other end using digital radio receivers the result is close-to-CD-quality sound output. It's the most significant upgrade to happen since the introduction of FM in Australia in the 1970s and the leap in quality is comparable to FM versus AM. What is it? Is it better than AM and FM radio?ĭigital radio is to normal radio what digital television is to your standard analog TV. If you're thinking of making the leap, this article will tell you all need to know. With digital television now in an estimated 82 per cent of homes, what about its crystal-clear radio cousin? Unfortunately, digital radio take up is still several steps behind.
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