How MEMS Microphones Aid Sound Detection and Keyword Recognition in Voice-Activated Designs Publish Date: 2020-04-23

Use MEMS microphones with low SNR, high sensitivity, and fast startup times to meet VUI design requirements for devices from smart speakers to earbuds.

Build a True Wireless Fitness Hearable—Part 2: Audio Processing Publish Date: 2020-01-14

Use an advanced audio codec that combines low power and extensive functionality to deliver high quality audio and long battery life in fitness hearables.

Image of Vesper's VM3000 Digital MEMS Microphone VM3000 Digital MEMS Microphone Publish Date: 2019-11-13

Vesper's VM3000 digital MEMS microphone features a pulse density modulation (PDM) output enabling multiplexing of two microphones on a single data line.

Image of Vesper's VM2020 Piezoelectric MEMS Microphone VM2020 Piezoelectric MEMS Microphone Publish Date: 2019-11-01

Vesper's VM2020 ultra-high AOP, high dynamic range piezoelectric MEMS microphone is ideal for outdoor and echo cancellation applications.

How to Reduce Power Consumption in Always-On Voice Interface Designs Publish Date: 2019-09-18

Using specialized MEMS microphones and ultra-low-power microcontrollers, developers can greatly reduce the power needed for always-on voice interfaces.

High AOP Homepod speaker Demo
High AOP Homepod speaker Demo

This video will show Vesper's High AOP Homepod speaker.

Image of Vesper VM1010 ZeroPower Listening™ Piezoelectric MEMS Microphones VM1010 ZeroPower Listening™ Piezoelectric MEMS Microphones Publish Date: 2019-03-14

Vesper's VM1010 is a low-noise, single-ended analog MEMS microphone with a Wake-on-Sound mode providing an ultra-low power always-listening solution.

Image of Vesper VM1000 Piezoelectric MEMS Microphone VM1000 Piezoelectric MEMS Microphones Publish Date: 2019-03-14

Vesper's VM1000 is a low-noise, high dynamic range, single-ended analog output piezoelectric MEMS microphone.

Design Parameters for ZeroPower Listening using VM1010

This Application Note will address the selection of design parameters to integrate Vesper’s VM1010 Wake on Sound (WoS) microphone with ZeroPower ListeningTM (ZPLTM) technology into always-on always listening systems.

Piezoelectric MEMS Microphone Assembly Guidelines

This Application Note is a reference for the best practices in the manufacturing process using Vesper Piezo MEMS Microphones.

SmartEverything and the Rise of the Microphone Array

Vesper’s microphones and microphone arrays, and their different uses in the SmartEverything age.

Voice Powered Hands-Free TV Remote

This white paper provides insight into Vesper's ZeroPower Listening™ (ZPL™) technology and emphasizes the importance of ultra-low power technologies to enable battery life savings in an always-listening system.

Adding Wake on Sound (WoS) to Amazon Tap

Vesper's always-on voice-control is already a standard feature in PCs, smartphones and now voice controlled smart speakers which double as home automation hubs.

Piezoelectric MEMS Microphones

This white paper will provide insight into microphone selection for far-field performance using the measurement data taken with Vesper’s piezoelectric microphones.

Using the VM1010 Wake-on-Sound Microphone and ZeroPower ListeningTM Technology

This application note describes how to use Vesper's VM1010 microphone and its Wake on Sound (WoS) mode.

Vesper’s Microphone
Vesper’s Microphone

Here’s how Vesper’s microphone works.

Vesper’s piezoelectric MEMS microphone works under water

Vesper’s piezoelectric MEMS microphone is fully operational when immersed in water. In fact, it can even work like a hydrophone so it can capture sounds that are otherwise impossible to record.

Save 10x Battery with Vesper’s Wake-on-Sound Dev Board for Voice-Activated Products

Vesper’s VM1010 piezoelectric MEMS microphone with ZeroPower Listening, DSP Group’s DBMD6 DSP, and Sensory’s keyword-detection algorithm – increases battery life from 8 hours in always-listening mode.

Vesper’s ZeroPower Listening Microphones Let Voice-activated Smart Devices Run for Months

Vesper’s always-listening piezoelectric MEMS microphones let battery-powered devices stay in wake-on-sound mode without draining the battery.

High-Speed Microphone Testing with Vespers Automated Handler

At Vesper, we built a handler to test thousands of microphones at once. Our microphones arrive in trays, which are fed into our fully-automatic handler. Each microphone is individually tested in a sealed acoustic chamber.