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RE: Here's A More Direct Source

"Dave_K, you're not wrong, and that's the FREQUENCY DOMAIN explanation. In the time domain (where the actual electronic process is, or at least was, done in practice) it is as I described. Filter out everything above 15kHz, you're left with L+R, no matter what domain you describe it in."

Once you put the FM signal in the discriminator, the decoding of the L+R and the L-R happens simultaneously (Also the recovery of the RDS info). It doesn't switch back and forth in a standard analog demodulation the way you describe.

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"You are precisely as big as what you love and precisely as small as what you allow to annoy you." ~ R A Wilson


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