Everything That's Audio in audioXpress December 2023

audioXpress December 2023 includes a market overview of multiroom audio, Brent Butterworth writes about new ways to measure ANC earbuds, and Stuart Yaniger measured the new Axign and GaN Systems Class-D audio amplifier board. Richard Honeycutt writes about tubes, BJTs, JFETs, MOSFETs, and ICs, and Dimitri Danyuk, discusses JFETs in audio circuits. Douglas Self explains how to optimize variable-frequency tone controls, and Jan Didden shares his eDD direct-drive amplifier project.

WiSA Technologies announced the results of an independent lab testing of its new DS 2.4GHz multichannel wireless audio module which is designed specifically for soundbars with wireless rear speakers and a subwoofer. The testing compares the reliability of the DS module in a typical home environment to the reliability of two of the market-leading competitive solutions.

WiSA, the (Wireless Speaker and Audio) Association, an industry group composed of over 40 leading brands including founding member Summit Wireless Technologies, introduces "WiSA Endorsed" for audio amplifiers designed for use in today’s powered home audio speakers. This new designation coincides with the launch of member brand Infineon Technologies MERUS MA12070 4-26V ultra-efficient audio amplifier which is the first amplifier to receive the endorsement.

The Wireless Speaker and Audio Association (WiSA), an industry group comprised of over 40 leading brands including founding member Summit Wireless Technologies, announced Foxconn Technology Group, Innovo Audio Designs and System Audio as its newest members. The strong and growing list of WiSA members is largely driven by the Association’s WiSA Ready platform and its recently revitalized leadership.

StreamUnlimited, a provider of software solutions and development modules for connected audio products, announced TIDAL has certified StreamSDK, its streaming and multi-room audio integration solution, as an approved product module for companies who incorporate the service into its products. TIDAL’s certification will allow audio manufacturers to bring products to market much easier and faster.