In file ../include/sigpr/EST_fft.h:

int power_spectrum

(EST_FVector &real,   EST_FVector &imag)

Power spectrum using the fastFFT function.

Documentation

Power spectrum using the fastFFT function. The power spectrum is simply the squared magnitude of the FFT. The result real and imaginary parts are both set equal to the power spectrum (you only need one of them !)

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This page is part of the Edinburgh Speech Tools Library documentation
Copyright University of Edinburgh 1997
Contact: speech_tools@cstr.ed.ac.uk