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Industry & Product News
audioXpress September 2022 Speaker Focus Issue Now Available
The September edition of audioXpress - the always popular Speaker Focus issue - offers a complete Market Update on the design and testing tools that speaker designers, developers, and DIY builders have at their disposal. Two fascinating R&D stories include a detailed description on the "Design and Development of the Holoplot X1 Matrix Array," and Zami Schwartzman sharing the development of Motion Feedback Desktop Subwoofers. Next up, Geoff Hill explains what changed in the latest IEC loudspeaker measurement standards, Roger Shively reports on the AES 2022 International Conference on Automotive Audio that took place in June, and Christoph Sladeczek (Fraunhofer IDMT) writes about Audio Objects as Platform Technology in Vehicles. For our DIY section, George Ntanavaras refreshes his popular Double-Dipole Subwoofer project, and Richard Honeycutt compares LTSpice models of a 300B Triode Single-Ended with other power amplifiers. Now ready to read online and in print. Learn More Here
Audioscenic and Tectonic Audio Labs to Demonstrate Spatial Audio Reproduction Reference Design at AES AVAR 2022
Audioscenic Limited, the British 3D Audio technology startup and Tectonic Audio Labs have joined forces once again to introduce the new Virtua Spatial Audio hardware development kit (HDK) at AVAR 2022. This is Audio Engineering Society’s fourth International Conference on Audio for Virtual and Augmented Reality and will be held at Digipen Institute of Technology in Redmond, WA, from August 15–17, 2022. Read More
Qobuz Commissions New Exclusive Music Tracks Mixed in THX Spatial Audio
Qobuz, the Hi-Res streaming and download platform, is releasing new and exclusive-to-Qobuz 24-bit tracks mixed in THX Spatial Audio. Songs from Circuit Des Yeux, Anat Cohen, and Dinosaur Jr. are now available to anyone listening from a device of their choice over any headphones. THX Spatial Audio uses MPEG-H mixing tools and advanced signal processing to transform conventional stereo audio into unique listening experiences. THX describes it as "out of the head" sound, simulating a recording studio or an authentic acoustic environment. Read More
Urbanista Introduces Phoenix True Wireless Earbuds Powered by Exeger Powerfoyle
Exeger has partnered once again with lifestyle audio brand Urbanista to launch true wireless earbuds powered by its Powerfoyle solar cell material technology, allowing endless playtime. The launch marks the next phase in the two companies’ partnership, which was first announced following the launch of Urbanista Los Angeles, the world’s first self-charging over-ear headphones in 2021. The new Urbanista Phoenix TWS earbuds come with a self-charging case when exposed to any form of light. Read More
Samsung Unveils Updated Galaxy Buds2 Pro with New Hi-Res 24-bit Hi-Fi Codec
As it happens every year with the companies that attempt to follow Apple's model of promoting a large impact event to announce new products, Samsung just promoted something similar to unveil its new Galaxy foldable smartphones, and used the opportunity to also unveil the new Galaxy true wireless earbuds with all the latest features. The new Galaxy Buds2 Pro are Bluetooth 5.3 earbuds with multipoint connectivity, featuring new two-way coaxial drivers and also introduce a new Samsung codec for 24-bit Hi-Res Audio streaming. Read More
Monoprice Announces Monolith THX Certified 5.1 Home Theater Speaker System
Monolith, the high-end audio brand from Monoprice, released the new M518HT THX Certified 5.1 Home Theater System – an affordable (MSRP: $799.99), small footprint home theater speaker system designed for smaller rooms and gaming systems. Featuring five premium on-wall satellite speakers and an 8-inch powered subwoofer, this system has been THX Certified Compact to ensure that listeners experience sound that is dynamic, detailed, and crystal clear. Read More
MEMS Speaker Startup SonicEdge Establishes Business Unit at Sound Hub Denmark
SonicEdge, an Israeli startup working in MEMS speakers has registered a Danish business unit at Sound Hub Denmark in Struer. SonicEdge has developed an ultra-compact MEMS speaker solution based on a patented design and modulated ultrasound technology that promises to be significantly smaller, more energy-efficient, and more robust without compromising on sound quality. Having found investors and clients in Denmark, SonicEdge is now looking to develop its business further and hire for its Danish R&D department. Read More
Sennheiser MOMENTUM 4 Wireless Headphones Add Adaptive ANC to Refined Design
Sennheiser has just refreshed its MOMENTUM range with the introduction of the new MOMENTUM 4 Wireless headphones, raising the bar even higher with best-in-class sound, advanced adaptive noise cancellation, and exceptional comfort. An important product announcement for the new Sennheiser consumer division now part of Sonova, the new MOMENTUM 4 Wireless headphones are a refined design, intended to compete with all the leading references in the market, offering also an outstanding battery life of up to 60 hours. Read More
LG Introduces New TONE Free Earbuds with Adaptive ANC, Dolby Atmos with Dolby Head Tracking, and More Innovations
LG Electronics announced its 2022 lineup of TONE Free true wireless earbuds. The new models provide improvements on the sound experience, once again tuned by Meridian, combined with advanced audio technologies, a better-fitting design, and a host of useful, new features. The flagship model TONE Free T90 earbuds introduces Dolby Atmos with Dolby Head Tracking support and delivers impressive sound thanks to several upgrades, including a new internal structure with larger graphene drivers. Read More
Show Report
AXPONA 2022: Back to Listening in Person
By Oliver A. Masciarotte
As the audio industry gradually resumed its trade show calendar as a result of the global pandemic, Oliver A. Masciarotte offers a report from the 2022 edition of Audio Expo North America, better known as AXPONA – one of the most important annual hi-fi and high-end audio show in the US. As audio enthusiasts and audiophiles returned once again to listening in person at the Renaissance Schaumburg Convention Center Hotel in Illinois, there was a lot to explore in very little time. As a veteran of the show, Masciarotte says it was a distinct pleasure to discover what was available in the rooms. Everyone he talked with, be it exhibitors or attendees, had good fun while enjoying an opportunity to listen to some exceptional systems. In this show report, Masciarotte details some of his highlights. This article was originally published in audioXpress, July 2022. Read the Full Article Now Available Here
Voice Coil Speaker Patents
High Displacement Acoustic Transducer Systems
By James Croft
In this article, James Croft looks at a patent awarded to David Russell (Toronto, CA); and John French (Caledon, East, CA) on behalf of Audera Acoustics, Inc., Schomberg CA. The patent describes a generic acoustic high displacement transducer system, containing a diaphragm position sensing module, a controller with a transmitter, so that the voice coil moves at least partially in response to the control signal. In his review, Croft acknowledges previous work from the same Russell/French duo on this domain, creating a series of solutions that he believes will enable designers to “achieve state of the art performance”. This article was originally published in Voice Coil, October 2016.  Read the Full Article Now Available Here
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audioXpress features great articles, projects, tips, and techniques for the best in quality audio. It connects manufacturers and distributors with audio engineers and enthusiasts eager for innovative solutions in sound, acoustic, and electronics.

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