[Numpy-discussion] FFTW?? Do I need it to do Fourier transforms?
Jon Wright
wright at esrf.fr
Sat Apr 11 02:47:44 EDT 2009
Charles R Harris wrote:
> On Fri, Apr 10, 2009 at 8:33 PM, John Seales <praxbaffle at hotmail.com
> <mailto:praxbaffle at hotmail.com>> wrote:
>
> The link to FFTW on http://www.scipy.org/Installing_SciPy/Mac_OS_X
> is broken.
>
> Is it needed to do Fourier Transforms? My main motivation for using
> numpy and scipy is to do spectral analysis of sound.
>
>
> No, it isn't needed. The fft is available in numpy itself as well as scipy.
You can also get ctypes based fftw wrappers from:
http://developer.berlios.de/projects/pyfftw/
These worked for me, but do behave differently to the numpy fft (factors
of N, speed and planning).
Best,
Jon
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