What is digital radio broadcasting?
Digital radio broadcasting is a method of assembling, broadcasting and receiving communications services using digital technology which is now common in many products and services such as ipods/MP3 players and digital television receivers. A fundamental difference between analog and digital broadcasting is that digital technology involves the delivery of digital bit streams that can be used for sound broadcasting as well as a range of other multimedia services. The flexibility to offer these additional services enhances the audience experience.
Digital radio broadcasting is a method of assembling, broadcasting and receiving communications services using digital technology. A fundamental difference between analog and digital broadcasting is that digital technology involves the delivery of digital bit streams that can be used for sound broadcasting as well as a range of other multimedia services. The flexibility to offer additional services, which in the case of digital radio may include text and pictures, has the opportunity to enhance the audience experience. Digital radio broadcasting is significantly more spectrum efficient than analog FM radio. A single DAB+ multiplex channel occupies 1.536 MHz of radio spectrum and can provide at least eighteen good quality music radio services. In comparison, analog FM radio requires 1.6 MHz to provide eight services. Digital radio is also less sensitive to adjacent channel interference and can employ Single Frequency Networks (SFN), which contributes to more efficient use of the radio s
