[Portaudio] Portaudio & FFTW

Knut Inge knutinh at gmail.com
Mon Feb 5 12:46:24 EST 2018


FFTW is one implementation of the FFT. The FFT is a method to calculat the
DFT with less complexity.

So are you asking how to make a realtime spectrum analyser or how to
integrate FFTW into Portaudio?

I find that Matlab documentation is often helpful:
https://www.mathworks.com/help/signal/ref/periodogram.html
<https://se.mathworks.com/help/signal/ref/periodogram.html>

https://www.mathworks.com/help/dsp/ug/spectral-analysis.html
<https://se.mathworks.com/help/dsp/ug/spectral-analysis.html>

On Monday, February 5, 2018, cristiano piatti <cristiano.piatti at gmail.com>
wrote:

> Good morning,
> does anybody know how to implement a FFTW (www.fftw.org) streaming
> audio example ?,
> and can suggest me how to implement a canonical dft and/or fft on a
> streaming of audio samples ?
>
> Many thanks.
> _______________________________________________
> Portaudio mailing list
> Portaudio at lists.columbia.edu
> https://lists.columbia.edu/mailman/listinfo/portaudio
>
>
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