audioXpress August 2025. Focused on Acoustics, Simulation, and Auralization
The August 2025 issue offers a Market Update on New Dimensions in Acoustics, and expands the topic with articles by Daniel Gert Nielsen (Treble), Stefan Feistel and Wolfgang Ahnert (AFMG), and Neil Shaw (Menlo Scientific Acoustics). Richard Honeycutt’s column addresses the Acoustical Effects of Floor Finishes, and Dimitri Danyuk reviews Ethan Winer’s The Audio Circuits Cookbook. Philipp P. Klose reviews the Neumann Reference Immersive Monitoring Environment (RIME) solution, and René Christensen offers a Microacoustics Modeling Primer on Numerical Modeling.
HEAD acoustics Releases ArtemiS Suite 17
HEAD acoustics updated its ArtemiS Suite modular software platform for measuring and analyzing sound and vibration. Released a year and a half since the latest major update, ArtemiS Suite 17 improves the software with new tools, optimized workflows, and extended MATLAB integration for custom scripting and advanced automation. The update enables more accurate measurements and more efficient analysis, including in the fields of structural dynamics and transfer path analysis, hybrid modeling, and NVH development.
SOtM Launches sMS-2000 High-Performance Music Computer and Streamer
SOtM Audio is now shipping its sMS-2000 network server and streamer “for true audiophiles”. The ultimate “music computer” with a Linux foundation and a web server interface, the sMS-2000 combines all the greatest components the Korean company has ever developed in a single integrated system. Reflecting over a decade of developments by SOtM, the sMS-2000 runs the company’s Eunhasu OS tailored specifically for high-end audio, and supporting a range of audio playback software, including Roon, MPD, and DLNA, complemented by all the connectivity options anyone can dream of.
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Deepgram Launches Saga Voice OS for Developers
Deepgram, the San Francisco, CA-based voice AI platform for enterprise use cases, announced the launch of Deepgram Saga, a Voice Operating System (OS) designed specifically for developers. Deepgram’s new Saga Voice OS turns natural speech into cross-tool workflow execution, boosting productivity for those who are able to interact with voice. Saga OS also signals a broader trend toward voice-first computing by turning natural speech into actionable, multi-step workflows across dev stacks.
beyerdynamic Launches AVENTHO 100 On-Ear Wireless Headphones with ANC
Blending modern technology with a 1970s-inspired design, beyerdynamic’s latest wireless on-ear headphones offer a fresh take on lifestyle products. The new AVENTHO 100 headphones feature ANC, enhanced speech clarity, and premium materials in a foldable design with plenty of travel-ready features. The new product arrives fresh from the news of the acquisition of the century-old brand and inventor of the dynamic headphones by manufacturing powerhouse Cosonic.
You Can DIY: A New Op-Amp for Phono Preamps - Part 2 - Development and Measurements
Brian Lowe (Belleson) developed a unique custom-designed transconductance amplifier (Bel Amp) with fully differential (balanced) low-noise JFET inputs and current output. it offers 50dB of current gain prior to any voltage excursion, virtually eliminating distortion caused by voltage-dependent node capacitance exhibited by more conventional approaches. This is the second article detailing the op-amp design, containing simulations and measurements.
Test Bench: The New Beyma CD-314Nd/TI Compression Driver and Horn
Acustica Beyma continues to expand its range of products from solid foundations in professional audio, now also to emerging installation and even high-fidelity applications, while implementing a solid environmental stance. This 1.4" throat, high-power-handling compression driver, characterized with the new Beyma 60° × 40° TD-1464P horn, is targeted for mid- to large-venue PA systems and is one example of those efforts.
RME Introduces Enhanced Driver Options and Firmware Updates for macOS USB 3 Interfaces
RME announced significant updates to its macOS USB 3 interface lineup, ensuring optimal performance and seamless compatibility for Apple Silicon devices. These updates include advanced driver support, firmware improvements, and a simplified user experience. RME now offers three driver options for macOS with Apple Silicon and USB 3 interfaces, including the Fireface UFX III, MADIface XT II, Digiface Dante, and Digiface Ravenna.
New Focal Diva Mezza Utopia Reinforces Wireless High-End All-In-One Concept
Focal introduced the new Diva Mezza Utopia, an evolution of its prestigious Diva Utopia line, now with a larger and even more powerful design. Wireless, active, and seamlessly connected, the design embodies the pinnacle of Focal’s craftsmanship and technological expertise, touted as a significant leap forward in the French company’s pursuit to redefine home hifi. The Diva Mezza Utopia loudspeakers are once again a complete, all-in-one product, with the power to fill rooms of up to 100m² / 1076 sq ft.
KEF Introduces Signature XIO Soundbar with Multi-Driver and Processing Innovations
Aiming for both hifi-level and cinematic sound experiences, KEF announced the XIO Soundbar, an ambitious design in a competitive space that requires strong differentiation. Showcasing a sleek aluminium top plate and splash-proof fabric for style and durability, the XIO’s design will complement any space, featuring adaptive shelf and wall modes. An uncompromising home entertainment system from TV and movies to music and gaming, the XIO combines a remarkable suite of technical innovations.