Recent trends in structures and interfaces of MEMS transducers for audio applications: A review

A Gemelli, M Tambussi, S Fusetto, A Aprile, E Moisello… - Micromachines, 2023 - mdpi.com
In recent years, Micro-Electro-Mechanical Systems (MEMS) technology has had an
impressive impact in the field of acoustic transducers, allowing the development of smart …

Microscale devices for biomimetic sound source localization: a review

A Rahaman, B Kim - Journal of Microelectromechanical …, 2021 - ieeexplore.ieee.org
Over the last decades, the sub–wavelength hearing capability of small living creatures has
been received huge attention in developing microscale biomimetic sound source …

Sound source localization by Ormia ochracea inspired low–noise piezoelectric MEMS directional microphone

A Rahaman, B Kim - Scientific reports, 2020 - nature.com
The single-tone sound source localization (SSL) by majority of fly Ormia ochracea's ears–
inspired directional microphones leaves a limited choice when an application like hearing …

An mm-sized biomimetic directional microphone array for sound source localization in three dimensions

A Rahaman, B Kim - Microsystems & Nanoengineering, 2022 - nature.com
Fly Ormia ochracea ears have been well-studied and mimicked to achieve subwavelength
directional sensing, but their efficacy in sound source localization in three dimensions …

Bionic MEMS for touching and hearing sensations: Recent progress, challenges, and solutions

C Ge, E Cretu - Journal of Bionic Engineering, 2022 - Springer
This paper reviews the recent progress on bionic microelectromechanical systems (MEMS)
used for touching and hearing sensations, focusing on the following three types of devices …

Sound source localization in 2D using a pair of bio–inspired MEMS directional microphones

A Rahamanand, B Kim - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
The majority of fly Ormia ochracea inspired sound source localization (SSL) works are
limited to 1D, and therefore SSL in 2D can include a new vision for ambiguous acoustic …

Coupled d33 mode-based high performing bio-inspired piezoelectric MEMS directional microphone

A Rahaman, H Jung, B Kim - Applied Sciences, 2021 - mdpi.com
Featured Application In a complete virtual reality (VR) application, multi–projected
environments need to project and/or readjust the cameras to simulate a specific scene such …

A Cantilever-Based Piezoelectric MEMS for Arbitrary XY Path Generation

F Botta, A Rossi, NP Belfiore - Micromachines, 2022 - mdpi.com
This work pertains to the design of a cantilever-based piezoelectric MEMS device that is
capable of generating arbitrary paths of its tip. The conceived device consists of a pair of …

Mathematical analysis and micro-spacing implementation of acoustic sensor based on bio-inspired intermembrane bridge structure

X Shen, L Zhao, J Xu, X Yao - Sensors, 2021 - mdpi.com
A biomimetic study on the auditory localization mechanism of Ormia ochracea was
performed to improve the localization ability of small acoustic systems. We also present a …

Frequency Invariant Beamforming for a Small-Sized Bi-Cone Acoustic Vector–Sensor Array

E Fang, C Gui, D Yang, Z Zhu - Sensors, 2020 - mdpi.com
In this work, we design a small-sized bi-cone acoustic vector-sensor array (BCAVSA) and
propose a frequency invariant beamforming method for the BCAVSA, inspired by the Ormia …