2 years ago
via answers.hackaday.com
Is it possible to hack a "digital to analog converter" to receive HD FM radio?
I'm referring to the things for TVs,
ie: http://www.energys tar.gov/index.cfm?fuseaction=find_a_product.showProductGroup&pgw_code=DTA
ie: http://www.energys tar.gov/index.cfm?fuseaction=find_a_product.showProductGroup&pgw_code=DTA
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M$1 Answer
No. HD Radio uses different modulation (COFDM, IBOC) and a different audio CODEC (HDC) than digital TV.
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M$
On top of that - I thought HD radio uses a proprietary encoding scheme (perhaps something you already listed above) by iBiquity. So I don't think you can just hack together something that will work. I haven't read it, but this looked interesting:
http://www.embedded.com/columns/technicalinsights/204802711?_requestid=2574