The multiple services are similar to the digital subchannels found in ATSC -compliant digital television using multiplexed broadcasting. Album art and logos are displayed at the station's discretion and require extra equipment. National Radio Systems Committee. Cloud, Minnesota where many local radio outlets find a growing number of listeners tuning in to their HD signals, which in turn has benefited sales. Radio stations are licensed in the United States to broadcast at a specific effective radiated power level. The lack of a common standard means that HD Radios cannot receive DAB format broadcasts of other countries and vice versa, and that manufacturers must develop separate products for different countries, which typically are not dual-format. Unlike with subcarriers, where the total baseband modulation is reduced, there is no reduction to the analog carrier power. Archived from the original on 25 July
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