IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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Two-tone distortion products in hardware-efficient cochlea model based on asynchronous cellular automaton oscillator
Kentaro TakedaHiroyuki Torikai
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2021 Volume 18 Issue 18 Pages 20210310

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Abstract

In this paper, we present a cochlea model whose nonlinear dynamics are described by an asynchronous cellular automaton. Our proposed model is demonstrated to enable the reproduction of two-tone distortion products. The proposed model is implemented on a field-programmable gate array (FPGA). It is subsequently demonstrated that our proposed model can be implemented using fewer hardware resources than a conventional cochlea model, which is a Hopf-type cochlea model, implemented on a digital signal processor performing a numerical integration.

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© 2021 by The Institute of Electronics, Information and Communication Engineers
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