Digital radio works by turning both sound and data into digital signals at transmission, and then decoding them at the other end using digital radio receivers. The result is close-to-CD-quality sound output. 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. What's more, with data now able to be sent as part of the signal, digital radio receivers with LCD screens can also give listeners information such as song names, cover art, news, weather and more. In fact, the new DAB+ standard gives you the ability to rewind broadcasts by up to 15 minutes. Digital radio has the potential to offer better sound quality that's better than FM - and much, much better than AM - and it is interference free. Which also means you either get signal or you don't. Digital radios are also easier to tune - instead of fiddling with a dial to find the strongest frequency for a station, listeners will be able to choose a station by name from a menu, with the digital radio automatically locking on to that signal at a push of a button.
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