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Housing influence on multi-band directional MEMS microphones inspired by Ormia ochracea

Bauer, R. and Zhang, Y. and Jackson, J. C. and Whitmer, W. M. and Brimijoin, W. O. and Akeroyd, M. and Uttamchandani, D. and Windmill, J. F. C. (2017) Housing influence on multi-band directional MEMS microphones inspired by Ormia ochracea. In: IEEE Sensors, 2016. IEEE, Piscataway, N.J.. ISBN 978-1-4799-8288-2

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    Abstract

    A new bio-inspired multi-band directional MEMS microphone based on the hearing properties of the fly Ormia ochracea is presented, together with the behavioral influence of 3D-printed housings. The multi-user foundry fabricated microphone operates on four frequency bands, all below 10 kHz and acts as a pressure gradient directional microphone with figure of eight polar pattern, or as an omni-directional microphone depending on the housing. The influence of an open or closed backside housing on the frequency response and directionality is shown, leading to the loss of directionality with no acoustic access to the backside of the fly-ear inspired microphone membrane.

    Item type:Book Section
    ID code:57480
    Notes:© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, f or resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Keywords:MEMS directional microphone, bio-inspired, 3D-printed housing, multi-band sensing, piezoelectric sesnsing, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Technology and Innovation Centre > Sensors and Asset Management
    Depositing user: Pure Administrator
    Date deposited:19 Aug 2016 12:30
    Last modified:05 Jun 2019 04:26
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/57480
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