MEMS piezoelectric sensor for self-powered devices: A review

M Sawane, M Prasad - Materials Science in Semiconductor Processing, 2023 - Elsevier
The bulkiness of traditional batteries, as well as frequent charging and electronic detritus
caused by the replacement of old batteries, hinder the ability of low-powered electronic …

MEMS-based piezoresistive and capacitive microphones: A review on materials and methods

A Kumar, A Varghese, D Kalra, A Raunak… - Materials Science in …, 2024 - Elsevier
Microelectromechanical systems (MEMS)-based piezoresistive and capacitive microphones
have gained significant attention due to their miniaturization, high performance, and diverse …

Sound source localization using a convolutional neural network and regression model

TH Tan, YT Lin, YL Chang, M Alkhaleefah - Sensors, 2021 - mdpi.com
In this research, a novel sound source localization model is introduced that integrates a
convolutional neural network with a regression model (CNN-R) to estimate the sound source …

Acoustic source localization using a geometrically sampled grid SRP-PHAT algorithm with max-pooling operation

D Salvati, C Drioli, GL Foresti - IEEE Signal Processing Letters, 2022 - ieeexplore.ieee.org
The steered response power phase transform (SRP-PHAT) is a well-known algorithm for
acoustic source localization using microphone arrays. It consists in the computation of the …

Sound source localization of harmonic sources in entire 3D space using just 5 acoustic signals

S Thakur, S Singh - Applied Acoustics, 2022 - Elsevier
Abstract Sound Source Localization (SSL) has numerous applications namely machinery
noise control, machinery fault localization, localization of explosives and weaponry in …

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 …

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 …

Fiber-optic bionic microphone based compact sound source localization system with extended directional range

X Liu, X Hu, C Cai, H Wang, Z Qi - The Journal of the Acoustical Society …, 2024 - pubs.aip.org
Traditional sound source localization (SSL) systems based on electret condenser
microphone arrays are bulky because their localization accuracy depends on the size of the …

Direction of arrival algorithm for acoustic sensors operating near resonance

P Crooker, I Soule, J Ivancic, G Karunasiri… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Recently, it has been possible to detect sound direction using phase-sensitive sensors
placed much closer to each other than the sound wavelength. A typical setup combines two …

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 …