Dear all 

I'd like to know why it could be desirable to shift the time origin to the
center of every segment (using "fftshift" on the segment in MATLAB)
before doing the FFT in the Short-Time Fourier Transform.

In this paper the author says that the phase will be easier to analyze: 
http://www.cs.princeton.edu/courses/archive/spring05/cos325/Bernardini.pdf (on
page 4, section 3.3, fft centering). 

Yes the phasogram looks better, but does the shift have any other implications
for the frequency domain processing?

Thanks for reading this;)

Cheers

/ MA
	

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