An active 2-D silicon cochlea

Tara Julia Hamilton, Craig Jin, André van Schaik, Jonathan Tapson

    Research output: Contribution to journalArticlepeer-review

    77 Citations (Scopus)

    Abstract

    In this paper, we present an analog integrated circuit design for an active 2-D cochlea and measurement results from a fabricated chip. The design includes a quality factor control loop that incorporates some of the nonlinear behavior exhibited in the real cochlea. This control loop varies the gain and the frequency selectivity of each cochlear resonator based on the amplitude of the input signal.
    Original languageEnglish
    Pages (from-to)30-43
    Number of pages14
    JournalIEEE Transactions on Biomedical Circuits and Systems
    Volume2
    Issue number1
    DOIs
    Publication statusPublished - 2008

    Keywords

    • cochlear implants
    • silicon

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