Hallo! > "The main reason we use complex numbers in electronic music is > because they magically automate trigonometric calculations. We > frequently have to add angles together in order to talk about the > changing phase of an audio signal as time progresses (or as it is > shifted in time, as in this chapter). It turns out that, if you > multiply two complex numbers, the argument of the product is the sum > of the arguments of the two factors." > > so, is that where 'fast' fourier transform comes from then?
No - the term "fast" fourier transform comes from the special algorithm how the DFT (discrete fourier transform) is calculated (see e.g. http://en.wikipedia.org/wiki/Fft) LG Georg _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
