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. Author manuscript; available in PMC: 2009 Mar 26.
Published in final edited form as: IEEE Trans Audio Speech Lang Process. 2006 Nov;14(6):2222–2232. doi: 10.1109/TASL.2006.874669

Fig. 7.

Fig. 7

“Cochlear” spectrograms, or cochleograms, for the Japanese word “aikyaku,” plotted on a linear scale to reveal level differences. (a) pGC filter. (b) Linear cGC filter. (c) dcGC filter.