[PD] fftchannels

marius schebella marius.schebella at chello.at
Thu Jan 24 12:00:03 CET 2002


> ----- Original Message -----
> From: John Heenan
> To: pd-list at iem.kug.ac.at
> Sent: Thursday, January 24, 2002 11:33 AM
> Subject: RE: [PD] fftchannels
> The size of an array result of a FFT is the same size as the number of
samples. So if there are N samples a real domain FFT on > these samples is
held in an array of size N.
> John Heenan

in the help-patch of the rfft- i also read "the rfft outputs N/2 + 1 real
so the first value represents the DC and the last (N/2+1) should represent
the nyquist... the imag-parts for both are always 0. (that´s the N/2-1).


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