[MUD-Dev] Free FFT

[Bruce Mitchener]

Christopher Kohnert wrote:

> Seems a lot of people are pretty knowledgeable about this voice
> trickery. I'm interested in doing some research with voice, but
> need to either implement my own FFT or find a freely available
> package tailored to voice analysis. (The 'front end' of a speech
> recognition perhaps.) My question is: do any of you know of such a
> package? I'm not really interested in doing speech recognition,
> but I am interested in FFT'ing a voice to reduce the amount of
> data analysis required.

There's always the Fastest Fourier Transform in the West:

    http://www.fftw.org/

It is available 'freely' under the terms of the GPL, but can be
commercially licensed under more acceptable/suitable/useful terms.

  - Bruce


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