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, USA. ISBN 978-1-4799-8288-2 (https://doi.org/10.1109/ICSENS.2016.7808765)

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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.

ORCID iDs

Bauer, R. ORCID: https://orcid.org/0000-0001-7927-9435

Uttamchandani, D. ORCID: https://orcid.org/0000-0002-2362-4874

Windmill, J. F. C. ORCID: https://orcid.org/0000-0003-4878-349X

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• Item metadata

  Item type:	Book Section
  ID code:	57480
  Dates:	Date Event 9 January 2017 Published 8 August 2016 Accepted 15 June 2016 Submitted
  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.
  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:	11 Nov 2024 15:10
  Related URLs:	Event
  URI:	https://strathprints.strath.ac.uk/id/eprint/57480