In other words, a station at 88.7 FM would have a digital signal at 88.7 FM on a digital radio.Not so long ago, radio was the only entertainment available for the masses.

This enables radio stations to broadcast their regular FM or AM signal and their digital signal at the same frequency. In the United States, digital radio is broadcast using in-band on-channel technology. Some models come with digital radio as a standard feature. Many electronics retailers sell digital radio receivers, and many automakers offer digital radio receivers in their new cars and trucks. Where can I get a digital radio receiver?

However, all digital radios can also receive analog radio signals. Yes, a digital receiver is required in order to get digital radio. You also can program your digital radio receiver to display weather updates, traffic reports and other news.ĭo I need a new radio to receive digital signals? For example, information about music may be displayed on the receiver's screen when the music is playing. In addition to audio broadcasts, digital radio offers simultaneous data services to listeners. FM digital radio also allows broadcasters to offer additional audio channels to the public, using their existing FM frequency.

FM digital radio can provide clear sound comparable in quality to CDs, and AM digital radio can provide sound quality equivalent to that of standard analog FM. However, there may be some interference to digital radio signals in areas that are far away from a station's transmitter. The digital signals offer better sound quality than analog, and, unlike satellite radio services, are free-of-charge.ĭigital radio is the transmission and reception of sound processed into patterns of numbers, or 'digits' – hence the term 'digital radio.' In contrast, traditional analog radios process sounds into patterns of electrical signals that resemble sound waves.ĭigital radio reception is more resistant to interference and eliminates many imperfections of analog radio transmission and reception. radio broadcasters are now simultaneously broadcasting both traditional analog signals and digital signals that can be picked up with a digital radio receiver.

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