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All items tagged with piezoelectric sensors (9)

Signal Processing Impacts of ICP Accelerometer Limit Violations

November 30, 2023 by Special Content

Signal Processing Impacts of ICP Accelerometer Limit Violations

In this white paper, Dr. Stephen Hambric uses basic piezoelectric sensor theory to explain what happens to your measurement when you use and exceed the amplitude and frequency limits of an accelerometer with built-in electronics, known as an ICP® or IEPE accelerometer. Download this exclusive white paper now.

Vesper Launches 2nd Generation Smart Piezoelectric Voice Accelerometer with ZeroPower Sensing

March 28, 2022 by Joao Martins

Vesper Launches 2nd Generation Smart Piezoelectric Voice Accelerometer with ZeroPower Sensing

Vesper continues to redefine its range of MEMS solutions for voice applications with the launch of the VA1210, Vesper’s 2nd generation analog piezoelectric smart voice accelerometer. The VA1210 offers higher sensitivity (+17 dB) and higher (+6 dB) SNR than the 1st generation VA1200 in voice pickup. Additionally, new intelligent features of Wake-on-Voice (WoV) and hardware voice activity detection (HVAD), introduced into the VA1210, enable a drastic improvement of voice quality True Wireless Stereo (TWS) earbuds.

Patent Review: A New Electro Acoustic Drive System With Sensor from Fraunhofer

October 27, 2021 by James Croft

Patent Review: A New Electro Acoustic Drive System With Sensor from Fraunhofer

In this article, James Croft dives in an interesting loudspeaker patent (US20150146910A1), awarded May 28, 2015 to multiple inventors from the Fraunhofer-Gesellschaft Institute in Munich, Germany. The patent describes a diaphragm drive system with a conventional electromagnetic motor and corrective piezoelectric elements that drive the suspension from a sensor that detects the nonlinearity and provides the corrective signal. This article was originally published in Voice Coil, September 2015.

September 29, 2021 by audioXpress Staff

Vesper Completes $16M Financing to Accelerate Growth

Vesper, the pioneer in piezoelectric MEMS microphones and sensors that is now empowering edge-AI applications in consumer devices, closed a $18M financing round led by Accomplice. Vesper also received investments from Applied Materials Ventures, Sands Capital, Bose, Amazon Alexa Fund, Gopher Asset Management, ITIC, World Peace Group, Unitrontech, and MegaChips. The round brings Vesper's total funding to date to $73M.

audioXpress June 2021 Explores the Exciting World of Automotive Audio Solutions

May 11, 2021 by audioXpress Staff

audioXpress June 2021 Explores the Exciting World of Automotive Audio Solutions

audioXpress June 2021 offers the most complete overview of the fascinating world of automotive audio. This series of articles discusses all the key technologies, platforms, and innovations that should be on every developer's radar, with perspectives from Meridian Audio, Roger Shively (JJR Acoustics), and Krunal Maniar. This edition also includes a detailed review of the KEF LS50 Meta loudspeaker and many more great audio electronics and practical projects.

audioXpress May 2021 Celebrates Its Glass Audio and Audio Electronics Roots

April 12, 2021 by audioXpress Staff

audioXpress May 2021 Celebrates Its Glass Audio and Audio Electronics Roots

Our May 2021 Glass Audio Special edition is certain to inform and inspire you. We reveal what is happening at Western Electric's new Rossville Works in Georgia, where production of 300B tubes is ongoing, we explain how to draw tube load lines, and we offer a valuable preamplifier design that enables you to compare the sound of tube and solid-state circuits from the same audio source. There's also a versatile stereo tube amplifier design to build, and plenty more audio electronics theory and practice in this edition. Now available online and in print.

Vesper Raises $8 Million to Expand Production and Enter New Markets

April 7, 2021 by audioXpress Staff

Vesper Raises $8 Million to Expand Production and Enter New Markets

Vesper, the pioneer in piezoelectric MEMS microphones and sensors, closed an $8M financing led by Applied Ventures, the venture capital arm of Applied Materials, the world’s largest semiconductor equipment company. Vesper also received investments from Accomplice, Amazon Alexa Fund, Bose Ventures, Sands Capital, and other undisclosed investors. The round brings Vesper's total funding to date to $65M. The funding will enable the Boston-based startup to scale the mass production of its microphones and support expanded research and development.

audioXpress April 2021 Looks Ahead at the Evolution in Voice, Communication and True Wireless

March 11, 2021 by audioXpress Staff

audioXpress April 2021 Looks Ahead at the Evolution in Voice, Communication and True Wireless

The April 2021 issue of audioXpress is now available in print and online and it addresses a convergence of technologies in two of the most exciting product segments at the moment: True Wireless Earbuds and Voice & Communication. George Ntanavaras explores vibration measurements using piezoelectric sensors, Jens Tybo Jensen describes a highly efficient hybrid bass amplification design, and Richard Honeycutt discusses how horns have evolved to address sound directionality. And much more top-level audio electronics from top experts in the field. Get Your Copy Now!

Virtins Technology New VT CAMP-2G05 24-bit Dual-Channel USB Data Acquisition Interface

November 10, 2020 by audioXpress Staff

Virtins Technology New VT CAMP-2G05 24-bit Dual-Channel USB Data Acquisition Interface

PC-based test and measurement Virtins Technology is recognized for both its Multi-Instrument multi-function virtual instrument software and for its extensive range of compact USB interfaces. Now the company announced a new 24-bit dual-channel USB data acquisition interface with charge input, extending its range of Noise & Vibration Measurement Systems. The new VT CAMP-2G05 was specially designed for use with sensors with electric charge output such as charge-mode piezoelectric sensors.

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