Development and performance analysis of a low-cost MEMS microphone-based hearing aid with three different audio amplifiers
Sign Up to like & getrecommendations! Published in 2019 at "Innovations in Systems and Software Engineering"
DOI: 10.1007/s11334-019-00325-7
Abstract: AbstractIn 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 associated circuitry is mounted on a common board in the form of… read more here.
Keywords: mems microphone; low cost; hearing; hearing aid ... See more keywords
Design of MEMS microphone protective membranes for continuous outdoor applications
Sign Up to like & getrecommendations! Published in 2021 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2021.108304
Abstract: Abstract Although most modern communication devices use of multiple MEMS-based microphones, their application in continuous-outdoor applications has so far been very limited. Specifically, for constant operation in humid, rainy environments, additional weather protection of the… read more here.
Keywords: protective membranes; microphone protective; continuous outdoor; outdoor applications ... See more keywords
Modeling and Characterization of a Pull-in Free MEMS Microphone
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.2976527
Abstract: In this study, we examine the feasibility of designing a MEMS microphone employing a levitation based electrode configuration. This electrode scheme enables capacitive MEMS sensors that could work for large bias voltages without pull-in failure.… read more here.
Keywords: tex math; inline formula; mems microphone;
Low-Power Small-Area Inverter-Based DSM for MEMS Microphone
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2020.2973646
Abstract: A delta-sigma modulator (DSM) is proposed for the direct connection to micro-electro-mechanical systems (MEMS) microphone. To reduce power, both the DAC reference voltage (VREF) and the DSM supply voltage (VDD) are reduced to 700 mV… read more here.
Keywords: area; inverter based; power; integrator ... See more keywords
A micromachined microphone based on the membrane with bias voltage and field-effect-transistor mechano-electrical transduction
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5014386
Abstract: Recently, capacitive-type microphone dominates the MEMS (Micro-Electro-Mechanical-System) microphone market. Since sizes of the electrodes on the membrane and backplate determine the sensitivity of the microphone, there is a limit in reducing the size of the… read more here.
Keywords: microphone; bias voltage; mems microphone; membrane bias ... See more keywords
Spin-MEMS microphone based on highly sensitive spintronic strain-gauge sensors
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5035818
Abstract: We report a novel spintronic MEMS (Spin-MEMS) microphone, which is a new type of resistive microphone. For this microphone, spintronic strain-gauge sensors (Spin-SGSs) are integrated on a bulk micromachined diaphragm. The Spin-SGSs are based on… read more here.
Keywords: spin sgss; mems microphone; spintronic strain; strain gauge ... See more keywords