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In the Forum: Analog Playback
In the Thread: Turntable speed analysis.
Post Subject: FMPosted by Paul S on: 5/24/2012
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Very interesting.  I see there is FM demodulation prior to the FFT, however.  Recent experience with PWM (pulse width modulation) seemed to show that this process, in itself, smooths things over.  When I read the header I hoped someone had focused some sort of superfast 4D measuring device on the TT.  Now that I think of it, how would this work?

Paul S

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