HD Radio™ Technology
About HD Radio stations
HD Radio stations offer high quality audio and data services. HD Radio stations are
brought to you by your local FM or AM stations.
HD Radio stations feature the following:
• High quality audio
• FM multicasting
• Data service
Digital, CD-quality sound. HD Radio Technology enables local radio stations to broadcast
a clean digital signal. AM sounds like today's FM and FM sounds like a CD.
AM band
Analog AM
Analog AM
FM band
Analog FM
Analog FM
Analog FM
: Main channel
: Sub channel
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Digital AM
Digital FM
Digital FM-1ch
Digital FM-2ch
Digital FM-3ch