13 Facts About HD Radio


HD Radio is a trademark for an in-band on-channel digital radio broadcast technology.

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HD Radio is used primarily by AM and FM radio stations in the United States, Canada, and Mexico, with a few implementations outside North America.

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HD Radio is licensed so that the simulcast of the main channel is royalty-free.

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HD Radio makes its money on fees on additional multicast channels.

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Receiver manufacturers who include HD Radio pay a royalty, which is the main reason it failed to be fully-adopted as a standard feature.

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However, the data rates in HD Radio are substantially lower than from a CD, and the digital signals sometimes interfere with adjacent analog AM band stations.

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Digital HD Radio Mondiale is a system designed primarily for shortwave radio with compatible radios already available for sale.

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Digital HD Radio Mondiale is an open standards system, albeit one that is subject to patents and licensing.

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HD Radio stations are licensed in the United States to broadcast at a specific effective radiated power level.

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IHeartHD Radio is selling programming of several different music genres to other competing stations, in addition to airing them on its own stations.

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CBS HD Radio is implementing plans to introduce its more popular superstations into distant markets via HD-2 and HD-3 channels.

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Minnesota Public HD Radio offers a few services: KNOW-FM, the MPR News station in the Twin Cities, offers music service HD Radio Heartland on 91.

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College radio has been impacted by HD Radio, stations such as WBJB-FM which is a public station on a college campus offer a student run station as one of the multicast channels.

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