Filter Cascades as Analogs of the Cochlea

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Abstract

Wave propagation in the cochlea can be modeled at various levels and for various purposes. We are interested in making models of cochlear signal processing, in analog or digital VLSI or in software, suitable for supporting improved hearing aids, speech-recognition systems, and other engineered hearing machines. We are also interested in developing models that can contribute to a deeper understanding of how hearing works. Hence, a neuromorphic approach, in which the functionality of the model emerges from a form that is loosely copied from the nervous system, is appropriate.