How does HD Radio work?
In: Technology
HD radio uses radio frequencies just above and below analog signals to retransmit the audio radio signal in a digital format, while maintaining the analog signal for original radios.
Because the digital signal is transmitted as binary data (on or off), there is less distortion compared to analog signals, which rely on the waveform of the broadcast.
For people with an HD Radio, it means they can listen to the exact same broadcast with less static, crackling, and distortion.
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