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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: IEEE/ACM Trans Audio Speech Lang Process. 2015 Dec 23;24(3):483–492. doi: 10.1109/TASLP.2015.2512042

Fig. 1.

Fig. 1

(Color online) Example magnitude (top-left) and phase (top-right) spectrograms, and real (bottom-left) and imaginary (bottom-right) spectrograms, for a clean speech signal. The real and imaginary spectrograms show temporal and spectral structure and are similar to the magnitude spectrogram. Little structure is exhibited in the phase spectrogram.