[PD] Analyzing subharmonic frequencies accurately

[Mathieu Bouchard]

Le 2011-10-18 à 14:35:00, katja a écrit :

> Such filtering can be done in frequency domain, using FFT again. Be sure 
> to use 4 times overlap and Hann windowing before FFT and after IFFT.

Why would the filtering be done by FFT ? Isn't a single [lop~] good 
enough ?

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