Automotive - Digital Radio
Digital radio offers much better quality sound than FM receivers, and unlike analog radio, is almost immune to noise and interference. Digital radio works by converting sound into digital code, transmitting the code as a digital signal, and digital radio receivers are able to decode and filter all but the digital signals for static-free sound on the receiving end. Digital radios are also easier to use, and come with information about what is playing and menus for finding a station by name rather than by tuning into a station as is done with FM/AM radio.
Digital Radio Block Diagram
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This design is for reference only. The design, as well as the products suggested, has not been tested for compatibility or interoperability.