[PD] [fft] frequency select
ydegoyon at free.fr
Tue Apr 30 21:50:34 CEST 2002
> the channel 0 will give the d.c. one would be samplerate/blocksize
> (with 44.1k this would be 43Hz) 2 would be 86Hz and so on. 512 should
> be 22050Hz, the nyquist-frequency, but the highest frequency the
> fft-object of pd gives you is 511 (22007Hz).
very interesting, indeed. i didn't know that.
i don't think it's said in any documentation.
is there also a way of changing frequencies range,
eventually by modifying some code ???
i'd love that because, in fft as it is,
only the first 1/4 of frequencies are really of interest
to modify a sound with a tool like the sonogram~.
let me know.
[ maybe we'll talk about that ]
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