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Section diagram consisting of a Hopf amplifier and two sixth-order Butterworth filters. To form the cochlea, the sections are connected in series. A microphone followed by a Hilbert transform is placed at the beginning of the cascade.
(Color) (a, b) Steady-state response (upper panels) and gain (lower panels) for Hopf parameters , . Central frequency: . (c) Physiological measurements (Ref. 9). The device’s response is closer to the electrophysiological response than previous modeling results (Refs. 6, 10, and 11).
(Color) Salient nonlinear phenomena of hearing: (a) Combination tone, (b) two-tone suppression. Left: electronic cochlea (, central frequency of ), right: physiological measurements (Refs. 13 and 14). The results also closely match with the theoretical predictions (Ref. 15).
Response to broadband transient stimulation (clicks): (a) hardware (, central frequency of ), (b) physiological measurments (chinchilla, , from Ref. 16).
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