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Re: NBFM (Was: AM on sBITX?)


 

Or even with the use of a library for demoding nbfm, like csdr.

- Rafael

On 10/30/24 9:08 AM, Evan Hand wrote:
The FFT transforms should make it possible to decode/encode the FM deviation from/to an audio signal.? The encoding process zeroes all the frequency bins and then places a value in the bin that corresponds to the audio level.? Decoding involves finding the peak in the frequency domain and converting it to an audio level.
The above is a thought experiment so that I could be wrong.
73
Evan
AC9TU

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