All items tagged with smart speakers and MEMS Microphones (18)

TDK Introduces New SmartSound MEMS Microphones and Development Platform Plus VibeSense360 Solution Suite for TWS Designs

January 13, 2023 by Joao Martins

TDK Introduces New SmartSound MEMS Microphones and Development Platform Plus VibeSense360 Solution Suite for TWS Designs

At CES 2023, TDK InvenSense introduced the T5838 and T5837 PDM MEMS microphones that offer 68 dBA SNR consuming only 130 µA in always-on mode and 330 µA in high-performance mode. The company also announced the new SmartSound One development platform that provides a plug-and-play evaluation interface for its MEMS microphones, and the new VibeSense360 hardware and software solution suite for advanced true wireless stereo features.

TDK Expands SmartSound Family of Performance MEMS Microphones and Introduces New MEMS Microphone with SoundWire at CES 2022

January 11, 2022 by audioXpress Staff

TDK Expands SmartSound Family of Performance MEMS Microphones and Introduces New MEMS Microphone with SoundWire at CES 2022

TDK introduced new digital MEMS microphones as part of its SmartSound family of products for mobile, TWS, and other consumer devices, providing advanced feature sets in small package footprints. The T5848 offers the highest dynamic range with I2S direct audio connectivity to a wide variety of SoCs, MCUs and IoT processors. And TDK also introduced the T5828 MEMS microphone with MIPI SoundWire functionality, adding 68dBA SNR and Acoustic Activity Detect features with always-on ultra-low power mode.

Knowles Celebrates 75 Years of Voice and Audio Technology Integration

November 10, 2021 by audioXpress Staff

Knowles Celebrates 75 Years of Voice and Audio Technology Integration

Knowles Corporation is celebrating the company's 75th anniversary. Knowles pioneered many industry-firsts including balanced armature drivers for the first hearing aids in 1954, and the first MEMS microphones used in everything from the Mars 2020 Perseverance Rover to the latest true wireless earbuds. Today, Knowles products and solutions are in cell phones, laptops, wearables, smart speakers, or any device with voice control. And Knowles leverages its 75 years of success and expertise to expand in audio processing, the smart home or automotive applications.

TDK InvenSense Expands Design Options With New SmartSound MEMS Microphones

July 1, 2021 by audioXpress Staff

TDK InvenSense Expands Design Options With New SmartSound MEMS Microphones

TDK introduced three new MEMS microphones as part of the SmartSound family of products for mobile and consumer connected devices. The new TDK T5919 is a high performance PDM digital MEMS microphone and is the first with built in particle ingress filter (PIF) for harsh environments. The new T3903 is a high performance PDM digital MEMS microphone with very low power and wide dynamic range, while the also T4086 is an analog output MEMS microphone in a tiny package, ideal for very space constrained applications.

AIStorm and Knowles Join Forces to Create New Edge AI Audio Solutions

June 16, 2021 by audioXpress Staff

AIStorm and Knowles Join Forces to Create New Edge AI Audio Solutions

AIStorm, a pioneer of AI-in-Sensor SoCs for edge devices, announced a development partnership with Knowles Corporation. The collaboration will focus on achieving the lowest-power, highest-performance audio solutions available to enable emerging features. AIStorm’s patented analog and mixed-signal IP, combined with Knowles’ audio signal processing technology and advanced micro-acoustic microphones and speakers, bring enhanced audio features and power savings to mobile, true wireless stereo (TWS) earbuds, and connected devices.

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.

TDK Introduces Lowest Pulse Density Modulation Multi-Mode MEMS Microphone With Acoustic Activity Detect

January 13, 2021 by audioXpress Staff

TDK Introduces Lowest Pulse Density Modulation Multi-Mode MEMS Microphone With Acoustic Activity Detect

InvenSense, a TDK Group company, announced a comprehensive portfolio of new technology solutions during the 2021 Consumer Electronics Showcase. Among the expanded MEMS portfolio, the new T5838 SmartSound MEMS microphone offers a low power mode of just 130uAmps and a high-quality mode of 330uAmps, while supporting a dynamic range of 68dN SNR and 133dB AOP at 20kHz bandwidth. Optimized for smartphones, microphone arrays, smart speakers, and headsets, the T5838 supports configurable wake-on-sound at power levels as low as 20 µA.

The Intelligent Microphone: The Next Generation of MEMS Microphone Technology

August 6, 2020 by Mike Klasco

The Intelligent Microphone: The Next Generation of MEMS Microphone Technology

At the end of July 2020, audioXpress ran a product release on Vesper's VM3011 intelligent digital micro-electro-mechanical systems (MEMS) microphone. Its claim to fame is a power saving architecture that enables battery standby life that otherwise would be unattainable without the "smarts." There are another half-dozen developers working on integrating all sorts of capabilities within the MEMS mic package. This article, originally published in The Audio Voice newsletter, discusses those developments.

TDK Announces T3902 Lowest-Power PDM MEMS Microphone

June 29, 2020 by audioXpress Staff

TDK Announces T3902 Lowest-Power PDM MEMS Microphone

TDK Corporation introduced the InvenSense T3902, which the company touts as the world’s lowest power Pulse Density Modulation (PDM) microphone for consumer devices. The new T3902 offers a high SNR of 64.5 dB, and high Acoustic Overload Point (AOP) of 120 dB in a very small package, optimized for mobile devices, wearables, headsets, TV remotes and more, supporting far-field communications, enabling clear audio capture in loud conditions, and ideal for voice recognition.

TDK Announces First MIPI Standard SoundWire MEMS Microphone

January 21, 2020 by audioXpress Staff

TDK Announces First MIPI Standard SoundWire MEMS Microphone

Among the many interesting demonstrations of new audio solutions for developers presented by TDK at CES 2020, the T5808 MIPI standard SoundWire microphone stands out as a "world's first," using the MIPI Alliance SoundWire compliant digital interface which allows bi-directional data flow. The T5808 is a multi-mode, low noise digital MEMS microphone in a small package, consisting of a MEMS microphone element and an impedance converter amplifier followed by a fourth-order Σ-Δ modulator.

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