Flexible piezoelectric acoustic sensors and machine learning for speech processing

YH Jung, SK Hong, HS Wang, JH Han… - Advanced …, 2020 - Wiley Online Library
Flexible piezoelectric acoustic sensors have been developed to generate multiple sound
signals with high sensitivity, shifting the paradigm of future voice technologies. Speech …

A review of MEMS capacitive microphones

SA Zawawi, AA Hamzah, BY Majlis, F Mohd-Yasin - Micromachines, 2020 - mdpi.com
This review collates around 100 papers that developed micro-electro-mechanical system
(MEMS) capacitive microphones. As far as we know, this is the first comprehensive archive …

A self-powered and high-frequency vibration sensor with layer-powder-layer structure for structural health monitoring

Z Lin, C Sun, W Liu, E Fan, G Zhang, X Tan, Z Shen… - Nano Energy, 2021 - Elsevier
Vibration sensors greatly benefit medical and healthcare monitoring, environmental
monitoring, and structural health monitoring. However, most of them are shadowed by …

Design approaches of MEMS microphones for enhanced performance

MA Shah, IA Shah, DG Lee, S Hur - Journal of sensors, 2019 - Wiley Online Library
This paper reports a review about microelectromechanical system (MEMS) microphones.
The focus of this review is to identify the issues in MEMS microphone designs and …

[HTML][HTML] Methodology and applications of acousto-electric analogy in photoacoustic cell design for trace gas analysis

X Liu, H Wu, L Dong - Photoacoustics, 2023 - Elsevier
Photoacoustic cells play an important role in photoacoustic trace gas analysis, as they can
amplify the photoacoustic signal and improve detection limit. Therefore, the structure and …

An optical fiber Fabry-Perot microphone based on corrugated silver diaphragm

B Liu, H Zhou, L Liu, X Wang, M Shan… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
A corrugated silver diaphragm-based optical fiber microphone (OFM), formed by extrinsic
Fabry-Perot interferometric structure, was proposed. The sensor's sensitivity was improved …

Graphene membranes for Hall sensors and microphones integrated with CMOS-compatible processes

S Wittmann, C Glacer, S Wagner, S Pindl… - ACS Applied Nano …, 2019 - ACS Publications
Graphene is a promising candidate for future electronic devices because of its outstanding
electronic and mechanical properties. The high charge carrier mobility in graphene …

MEMS sensors for assessing flow-related control of an underwater biomimetic robotic stingray

M Asadnia, AGP Kottapalli, R Haghighi… - Bioinspiration & …, 2015 - iopscience.iop.org
A major difference between manmade underwater robotic vehicles (URVs) and undersea
animals is the dense arrays of sensors on the body of the latter which enable them to …

Optical fiber Fabry–Perot acoustic sensors based on corrugated silver diaphragms

B Liu, G Zheng, A Wang, C Gui, H Yu… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In this article, we fabricated and tested a series of extrinsic fiber Fabry-Perot interferometric
acoustic sensors based on the corrugated silver diaphragms. These diaphragms were …

Development and performance analysis of a low-cost MEMS microphone-based hearing aid with three different audio amplifiers

S Mallik, D Chowdhury, M Chttopadhyay - Innovations in Systems and …, 2019 - Springer
In this paper, MEMS-based capacitive microphone and low-cost amplifier are designed for
low-cost power-efficient hearing aid application. The developed microphone along with the …