Re: what is the most common FFT

FROM : Robert Martin
DATE : Sat Apr 16 21:52:25 2005

Try Google with something obvious like - fft osx bsd - there are many
FFT open source projects you can download, compile, and use via NSTask
if you're using Cocoa.


On Apr 16, 2005, at 3:25 PM, Christoph Vogelbusch wrote:

> I want to examine sounds in the fourier space. I dcided to use Core
> Audio for audio handling, but didn't find any fourier transformation.
> I figured, that there is an DSP Library from Apple, but that is from
> 2001 and there are a lot of fast 3rd party altifec implementations.
>
> I just started with Mac and of course I'm also new to programming
> under Mac, but so far I figured, that Apple provides the community
> with very nicly designed framewors and I just wondered we the FFT is.
>
> Have I overloocked something?
> What is the best way to examine a stream in the fourier space, change
> it an transform it back fro play back?