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How to call MATLAB code from C?

I feel like an idiot for asking so many question, but i don't know who else to ask. so, i have an audio sample (in an 1d array). Now the audio array was captured using C code, what i would like to do is call matlab's FFT,and spectrogram functions. and i would like it to be a stand alone C application. meaning it doesn't require matlab. how would i do this?

i found this:MATLAB CONVERT but i keep on getting erros saying compiler not found, even though i do mbuild -setup to get the MSVC++ compiler, i am not so sure what the error is. (i don't know if this is revelent but i am on a x64 comp)

Also converting matlab code to C stand alone application..would that work for even gui's in matlab

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Rave
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    I recommend using [fftw](http://www.fftw.org/), a C library. – Bingo Jul 13 '11 at 09:16
  • i though of doing this, get the data from microphone (done), then appy fft using fftw. then finally plot using matlab's specgram function. will that be fine? – Rave Jul 13 '11 at 10:11

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