In the United States In Band DAB solutions are the approaches favored by most broadcasters. USADR has developed an IBOC system that has recently been demonstrated in Las Vegas at the NAB convention. This paper will provide an overview of USADR's IBOC DAB in the U.S. from a silicon provider's perspective. DAB history will first be given followzd by a description of IBOC. Next, an overview of the transmitter and receiver functions will be presented followed by the interference and how its handled. Lastly, the performance results, test plans and silicon development road map will be presented.
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