[SciPy-User] EPD and fast FFT?

Joseph Anderson j.anderson@hull.ac...
Tue Mar 23 10:28:18 CDT 2010


Hello Jochen,

Ah... Ok, I'll have a look.

And... I'm hoping that there will be a simple way to stand in for
SciPy.signal.signaltools.fftconvolve.

Ideally I'd just like to replace the above convolve with something
faster--so I don't have to do much, if any re-writing!


My best,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr Joseph Anderson
Lecturer in Music

School of Arts and New Media
University of Hull, Scarborough Campus,
Scarborough, North Yorkshire, YO11 3AZ, UK

T: +44.(0)1723.362392 T: +44.(0)1723.357370 F: +44.(0)1723.350815

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

On 22/03/2010 11:59 am, "Jochen Schroeder" <cycomanic@gmail.com> wrote:

> I've written an fftw3 wrapper using ctypes (not cython). In contrast to the
> numpy and scipy fft functions it uses plans like the fftw3 c-api. However I've
> tried to make it more usable from Python, i.e. types are detected
> automatically
> etc.. You can find the fftw3 wrapper at http://launchpad.net/pyfftw.
> 
> Cheers
> Jochen



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