MEMS microphone

MEMS microphone

[¦memz or ¦em¦ē¦em¦es ′mī·krə‚fōn]
(engineering acoustics)
A very small microphone, generally less than 1 millimeter, that can be incorporated directly onto an electronic chip and commonly uses a small thin membrane fabricated on the chip to detect sound.
References in periodicals archive ?
Both kits integrate Infineon's high signal to noise ratio (SNR) XENSIV MEMS microphone IM69D130 to ensure the highest performance and reliability.
5-mm SensorTile contains a MEMS accelerometer, a gyroscope, a magnetometer, a pressure sensor, and a MEMS microphone.
MEMS sensor platform provider InvenSense Inc (NYSE:INVN) and Sonion, a provider of micro acoustic and micro mechanical technologies and solutions for hearing instruments, in-ear earphones and specialty headsets, on Thursday announced the release of the O-series MEMS microphone in 2 very small form factors: O8 (8mm[sup.
A MEMS microphone comprises of a pressure-sensitive diaphragm, which is fixed into a silicon IC and is accompanied by an integrated preamplifier.
Figure 1 demonstrates a graphic representation of breath sounds obtained by means of the acoustic sensor based on the MEMS microphone.
Ideal for consumer electronics, the new multi-mode MEMS microphone offers a high signal-to-noise ratio within the low power mode, which enables voice controlled applications and maximizes battery life.
The robust SV104, which was entered by Svantek's North American distributor Sensidyne, was said to be recognised for being the world's most advanced instrument of its kind with features including: realtime octave band analysis that provides the data required for selection of personal hearing protection, three independent dosimeter profiles that allow the performance of multiple surveys at the same time, audio recording for peak or threshold noise source identification, a MEMS tri-axial vibration sensor that detects possible impacts and a durable MEMS microphone for greater shock resistance.
A MEMS microphone and a digital feedback loop maintain acoustic pressure in the cavity.
To distinguish its products in the MEMS microphone market, Geneva-based STMicroelectronics (ST), focused on differentiation and innovation.
The devices that UMC has introduced include MEMS microphone and accelerometer, with the former having passed tests and sporting signal/noise ratio of 56dBA.
The AKU151 is a small, top-port, analog-output MEMS microphone.
The company develops intelligent light sensors, MEMS microphone ICs, NFC solutions, active noise-cancelling ICs, and ultra-low power solutions.