Simulation Techniques: Dimensional Reduction for Vibroacoustical Simulations
As computational demands can be very high when doing simulations involving coupled physics - such as is often the case for vibroacoustical transducers - this article looks at how to reduce the computational demands and associated cost utilizing symmetry schemes and dimensional reductions techniques, and the potential associated issues. This article was originally published in audioXpress, June 2024.
Test Bench: The SIG180-4 6.5” Woofer from Dayton Audio’s Signature Series
Dayton Audio’s SIG180-4 is part of a woofer series with five cost-effective, high-performance models, ranging from 4” to 10”. All drivers include single-piece concave aluminum cones, polyimide vented voice coil formers, open cast-aluminum frames, plus indexed shallow transition NBR surrounds. Rated for 80W RMS power handling capacity, the SIG180-4 woofer features a FEA-optimized ferrite motor design and a 1.25” voice coil wound with round copper wire.
Bettear Introduces Auracast Products for Accessible Audio in Cultural Venues
Bettear, an assistive listening technology startup, announced the launch of its first Auracast products: the B-CASTER streamer and B-RTX transceiver, designed to enhance audio accessibility for visitors of culture venues and beyond with a ready to use solution. The two new Auracast devices are being field-tested to validate its performance in public spaces. To transform the experience of people with hearing impairments, Bettear is also testing integration with hearing aids, cochlear implants, and Auracast hearables.
MIPI Alliance Announces New Soundwire Device Class for Audio (SDCA) Specification
The MIPI Alliance, the international organization that develops interface specifications for mobile and mobile-influenced industries, announced the release of MIPI SoundWire Device Class for Audio (MIPI SDCA) v1.0. The new specification enables standardized mechanisms to interact with host-controllable audio devices, such as microphones and amplifiers, connected via a MIPI SoundWire interface. This significantly simplifies and streamlines platform development.
Microchip Technology Launches RISC-V Multi-Core 64-Bit Microprocessors
Real-time, compute intensive applications such as fully adaptive noise cancellation, voice separation and Machine Learning (ML) are pushing the boundaries of embedded processing requirements, demanding more power-efficiency, hardware-level security and high reliability at the edge. With the launch of its PIC64 portfolio, Microchip Technology expanded its computing range to meet this rising demands.
Vicoustic Opens New Acoustic Solutions Factory Focused on Sustainability
Vicoustic, a leading global manufacturer of acoustic panels and an innovator in sustainable acoustic solutions, has recently opened its brand new manufacturing facility in Portugal. The new purposely-built building will also host a new research and design center, streamlining its operations with a firm commitment to environmental responsibility and innovation based on the use of recycled materials.
LG Acquires Dutch Startup Athom to Accelerate its AI-Enabled Smart-Home Ecosystem
The story was out for a few days, but now it's officially confirmed that LG Electronics recently acquired an 80 percent stake in Athom, the Dutch smart home company based in Enschede, Netherlands. Known for its Homey smart home platform, the startup was struggling and lacked the scale that LG will provide. The agreement includes plans for LG to acquire the remaining 20 percent within the next three years. LG will maintain Athom as a separate operation, while expanding its own open smart home ecosystems globally.
MISCO Celebrates 75 Years of Speaker Manufacturing and Audio Innovation
MISCO Speaker Company is celebrating its 75th anniversary. Founded in 1949 as Minneapolis Speaker Company (MISCO) by World War II veteran, Cliff Digre and his wife, Bernice, MISCO has remained a family owned business, now helmed by the founders’ son, Dan Digre, who has driven the company forward through decades of technological advancements and market expansion. MISCO stands as a US-based, pioneering force in the audio industry, manufacturing speakers and audio systems for OEM customers across the globe.
Audison Boosts In Car DSP with New Auto-Tuning Software
Audison, the renowned Italian car audio brand owned by Elettromedia Group, announced the release of its highly anticipated bit Drive 2.0 update for DSP products, featuring ACCORDO, an auto-tuning software tool. According to Audison, this cutting-edge technology auto-tunes car audio systems with time and phase alignment to a target curve with a simple step-by-step process. The solution only requires one microphone and no additional expensive external hardware.
Accentize dxRevive Pro Version 1.2 Software Adds Enhanced Speech Restoration Capabilities
Software startup Accentize released dxRevive Pro Version 1.2.0, a significant update to their flagship speech restoration plugin. This new version, based on feedback from audio professionals, introduces three innovative algorithms designed to further refine and enhance dialogue restoration, all available as a free update for existing users. The update includes two enhanced versions of existing algorithms – Studio 3 and Natural 2 – alongside an entirely new algorithm, EQ Restore.