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Re: [sc-users] a bit off topic...
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- Subject: Re: [sc-users] a bit off topic...
- From: Björn Lindig <kebjoern@xxxxxxxx>
- Date: Fri, 19 Jun 2009 08:14:04 +0000 (GMT)
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Maybe your friend should have a look at faust (FAUdioSTream). It produces c++ Code. Not shure how hard it is to set up an algorithm for an fft-analysis.
"And while you can program an FFT, it will be executed at each sample !" (Found on http://sourceforge.net/mailarchive/message.php?msg_id=4A2679A5.5050200%40free.fr)
Good luck!
Sincerely, Bjoern
--- Tim Walters <walters@xxxxxxxxxxxxxxxxxx> schrieb am Fr, 19.6.2009:
> Von: Tim Walters <walters@xxxxxxxxxxxxxxxxxx>
> Betreff: Re: [sc-users] a bit off topic...
> An: sc-users@xxxxxxxxxxxxxxxx
> Datum: Freitag, 19. Juni 2009, 8:45
> Dan Stowell wrote:
>
> > If by "FFT correlation" you mean do a correlation on
> the
> > FFT bin amplitudes (to see if the signals have a
> similar spectral
> > shape) then yes, that's totally doable in C++.
>
> This may or may not work for a given application, but
> here's an interesting, easy-to-implement audio similarity
> metric that leverages MP3 perceptual coding:
>
> http://www.cs.tut.fi/sgn/arg/heln/Publications/dafx_helen4.pdf
>
> --
> Tim Walters | The Doubtful Palace | http://doubtfulpalace.com
>
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