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 ?
Along with being unobtrusive, small, and compact, this features 3G modem for quick data transfer, MEMs microphone having a lifetime warranty, and Class 1 IEC 61672 sound level meter.
A superior MEMS microphone allows for crystal clear communication that eliminates background static.
Revenue from Chinese customers more than doubled year-over-year on strong MEMS microphone demand and higher than expected sales of Intelligent Audio solutions.
Both the LG TONE Platinum SE and LG TONE Ultra SE feature dual MEMS microphone for "superb call clarity and support for the Tone & Talk smartphone app."
The IA610 SmartMic enables new always-on voice functionality for Bluetooth headsets with its ultra-low power and breakthrough integration combining a high-performance MEMS microphone with a state-of-the-art audio DSP into a single, miniature microphone package.
Both the LG TONE Platinum SE and LG TONE Ultra SE feature dual MEMS microphone for superb call clarity and support for the Tone & Talk smartphone app.
President and CEO Jeffrey Niew said audio segment sales were 10 percent higher than the year ago period, driven by strong shipments of the company's MEMS microphone. In the Precision Devices segment, revenues hit record levels for the second consecutive quarter due to strong demand for capacitors and an acquisition completed in the first quarter, Niew added.
Touhafi, "SoundCompass: a distributed MEMS microphone array-based sensor for sound source localization," Sensors, vol.
Representative acoustic sensor technologies complying with those requirements were evaluated: electret condenser microphone (KEEG1542, Knowles), MEMS microphone with analog output (ADMP404, Analog Devices; ICS40310, Invensense), and MEMS microphone with digital output (ADM441, Analog Devices).
The 13.5-mm x 13.5-mm SensorTile contains a MEMS accelerometer, a gyroscope, a magnetometer, a pressure sensor, and a MEMS microphone. With the onboard low-power STM32L4 microcontroller, it can be used as a sensing and connectivity hub for developing products such as wearables, gaming accessories, and smart-home or Internet-of-Things devices.
The standard peripheral set includes a 3-axis accelerometer, a digital temperature sensor, a Class-D amplifier, a MEMS microphone, a digital light sensor, and an integrated Wi-Fi module.
A MEMS microphone comprises of a pressure-sensitive diaphragm, which is fixed into a silicon IC and is accompanied by an integrated preamplifier.