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Transistor kills the radio star?

Até final de Novembro 200 rádios em HD

só no universo do grupo Clear Channel. "The company says it is on track to air HD digital radio broadcasts on 95% of its stations in the top 100 markets by the end of 2007".

 

(HD digital radio upgrades AM and FM radio stations by adding a digital signal to the existing analog signal. The result allows AM radio to sound like FM, and FM radio to sound CD-quality. To enjoy these benefits plus additional programs that can be broadcast through a single station via multicasting, the listener must purchase a HD radio receiver)

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