The Audio Measurement Issue! audioXpress March 2022 is Now Available

audioXpress March 2022 features an extensive Market Update report on the latest audio test and measurement tools. Matt Taylor explains the possibilities of REST for automated test and measurement, and Joe Begin (Audio Precision) addresses testing multichannel MEMS microphone arrays. The KEF KC62 subwoofer is reviewed by Oliver Masciarotte and measured by Kent Peterson, and Ben Chen explains how to use the Sfera Labs' Exo Sense Pi module as a sound meter. Download or read online now.

Voice applications are currently fostering the largest growth in the audio industry. This article addresses the challenges and solutions for testing the wider class of “smart” – connected, voice-activated, and sensor-equipped – devices, proposing solutions to implement basic acoustic tests and real-world tests of greater complexity. This article was originally published in audioXpress, April 2019.

During CES 2018, NXP Semiconductors had the most impressive presence among semiconductor manufacturers. To address the convergence of immersive sensory experiences fueled by voice, video and audio demands, NXP has launched the i.MX 8M family of applications processors, combining robust media capabilities on one single chip. Arkamys and MSC Technologies, already announced support for the new 64-bit processor family.

VoiceLabs’ new Sponsored Messages service is the first native solution to help Amazon Alexa developers monetize, and invest in the voice-first evolution. Specializing in analytics for emerging applications such as voice personal assistants, VoiceLabs wants to provide brands with the ability to reach and interact with Amazon Echo consumers. The platform will also allow Alexa skill developers to monetize their work, VoiceLabs explains.

STMicroelectronics revealed its first Bluetooth (4.2) Low Energy wireless System-on-Chip (SoC). The BlueNRG-1 is optimized to satisfy high-volume opportunities in the fast-growing Bluetooth Low Energy market, combining energy efficiency, and strong radio performance. Featuring a dedicated digital-microphone input that simplifies voice-enabled applications, the new SoC responds to multiple applications including retail, wearables, connected home, automotive, industrial and medical devices.