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.

The April 2022 issue of audioXpress offers an overview of voice for true wireless stereo earbuds with contributed articles from Knowles and Fluent.ai. Stuart Yaniger reviews the possibilities with GaN amplifiers, and Steve Temme explains the evolution of Rub & Buzz measurements and the latest perceptual algorithms. Ethan Winer designs a sample & hold circuit for a guitar-controlled, all-analog synthesizer project, Richard Honeycutt explores the meaning of “frequency response” as applied to rooms, and Mark Driedger explains why and how to test tubes.

Syntiant, the company focused on making edge AI a reality for always-on applications, announced a new reference design that will enable ODMs and OEMs to easily and quickly deploy ultra-low-power, edge AI voice processing applications in true wireless earbuds. The solution enables multi-lingual custom wake words and speech commands, supported by data training and modeling, providing a complete, end-to-end solution for edge AI processing.

Synaptics announced its newest AudioSmart AS33970 headset platform SoC, directly targeting the fastest growing product categories, from work-from-anywhere TWS earbuds to hearables. As the San Jose, California-based company details, the new SoC offers the world’s first highly integrated AI-enabled ENC (Environmental Noise Cancellation) and hybrid ANC (Active Noise Cancellation) single-chip solution integrating neural and voice processing engines for optimal audio performance.

The April 2020 edition of audioXpress is now available and features two essential Market Updates, one focusing on the industry transition to active headphone and earphone designs, and another on how to leverage the latest voice capture and processing technologies. The issue also explains how to evaluate listening effort, and Stuart Yaniger puts the Linear Audio Autoranger Mk II Interface to the test, while Ed Simon writes about AC Power Rectification. Another issue to read and use as reference.