How does HD Radio work?
In: Technology
This is essentially the same as how OTA TV works now (which is digital HD. Analog died in 2009). It’s a lot easier for a reciever to interpret binary data (on/off, think morse code) than radiowaves meant to represent actually sound waves. Plus a lot more data can be packed in. So no only do you get a clearer sound that isn’t subject to interference from space and such, but you can actually recreate more accurate soundwaves for higher fidelity And pack in metadata like artist, title, and even album art.
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