Searched for: Materials
Snap One New Episode Home Theater Series Speakers with Unified Driver Technology
by Alfred Moody

Snap One New Episode Home Theater Series Speakers with Unified Driver Technology

Snap One - the company that resulted from the acquisition and merger of SnapAV with Control4 and owns Triad speakers - refreshed its home theater speaker line with new materials and capabilities. An expanded family of Episode Home Theater speakers is now available, with a unified range of high-performance drivers designed to deliver cinematic sound and support the latest object-based surround sound technologies.
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Everything That's Audio in audioXpress December 2023
by audioXpress Staff

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.
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COMSOL Releases Version 6.2 of COMSOL Multiphysics
by Joao Martins

COMSOL Releases Version 6.2 of COMSOL Multiphysics

COMSOL announced the release of COMSOL Multiphysics version 6.2, adding data-driven surrogate model functionality for efficient standalone simulation apps, and multiphysics-based digital twins, among some of the major new features. For users of the Acoustics Module, version 6.2 introduces a new frequency-dependent Impedance condition for time-domain pressure acoustics, a new anisotropic material model in the Poroelastic Waves interface, and a new Port boundary condition for enhanced modeling of aeroacoustics based on linearized potential flow.
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You Can DIY! Build the Popping P Filter
by Ethan Winer

You Can DIY! Build the Popping P Filter

This original circuit effectively removes the low-frequency impulses caused by air blasts from a person speaking or singing into a microphone, as well as "plosives." This analog circuit removes these irritating sounds in real time, directly at the source by applying a 24-stage all-pass filter to delay only the lower frequencies of the main audio stream. This original circuit for non-commercial use is available for licensing for commercial manufacture. This article was originally published in audioXpress, October 2023.
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Goldmund Introduces Melos Active Wireless Speaker
by Joao Martins

Goldmund Introduces Melos Active Wireless Speaker

Swiss luxury audio manufacturer Goldmund, a name synonymous with precision and opulence, introduced its latest "entry-level" marvel, the Melos Active Wireless Loudspeakers. These compact wireless speakers offer everything a proud owner would expect from this type of design, plus the exclusive privileges of the "harmonious union of advanced technology and meticulous craftsmanship" that Goldmund offers.
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Simulation Techniques: Dinaburg C2S Concentric Coplanar Stabilizer Analysis
by Roger Shively

Simulation Techniques: Dinaburg C2S Concentric Coplanar Stabilizer Analysis

Dinaburg Technology developed a unique patented integral coaxial speaker cone approach that features the advantages of a passive radiator in a small volume and takes advantage of a back wave from the loudspeaker’s diaphragm to optimize the passive radiator’s response and the off-axis performance of the active driver. The advantages are clearly audible, and this article dives into the mathematical simulation, and integrating the mechanical, acoustical, and electrical simulations.
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Warwick Acoustics Car Audio Transducers Help Eliminate Rare Earth Elements Usage
by audioXpress Staff

Warwick Acoustics Car Audio Transducers Help Eliminate Rare Earth Elements Usage

Warwick Acoustics is working with a number of notable car manufacturers to support the elimination of Rare Earth Elements (REEs) from their vehicles by promoting the use of its ‘zero-REE’ Electroacoustic panels. As high-profile car manufacturers and OEMs are aiming to eliminate REEs in their vehicles, the UK-based audio company says that elements commonly used in audio systems, such as neodymium and dysprosium, typically make up to 30% of REE content still remaining in new-generation electric vehicles.
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A-bsolument Prodige Bluetooth Speaker Made from Recycled Materials Now Available in North America
by Joao Martins

A-bsolument Prodige Bluetooth Speaker Made from Recycled Materials Now Available in North America

Since 2023, Focal Naim America distributes A-bsolument, a French company known for restoring and upgrading old radios, giving them modern functionality. Almost 10 years after the birth of A-bsolument, the company launched the A-bsolument Prodige Bluetooth speaker ($899 USD), made in France from recycled and sustainable materials. This timeless design, inspired by the iconic jewelry radios of the 60s, generates an impressive stereo sound which benefits from Focal drivers inside.
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Onanoff Launches Fokus+ Advanced ANC Wireless Headset with Wireless Charging Stand
by Joao Martins

Onanoff Launches Fokus+ Advanced ANC Wireless Headset with Wireless Charging Stand

Designed for both work and play, the new Fokus+ wireless headset was designed to perfect the daily personal audio experience by headphones' specialists Onanoff. Combining the latest cutting-edge audio solutions, the Fokus+ wireless headset features multi-microphone hybrid ANC, superior audio quality, and a convenient wireless charging stand. This Bluetooth 5.2 design is a perfect companion for a variety of settings, including remote work environments, now available in midnight blue and dusk gray for $199 USD.
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Voice Coil Patent Review: Bidirectional Speaker Using Bar Magnets
by James Croft

Voice Coil Patent Review: Bidirectional Speaker Using Bar Magnets

In this article James Croft reviews a patent claimed by Leeg Hyun Cho (Gyeonggi-do, Korea), Youngil Cho (Chicago, IL), and Christian Femrite (Westminster, CO) on behalf of Resonado. The patent in question will be familiar to many Voice Coil and audioXpress readers who have followed the news about this young company's developments. As an experienced patent reviewer and speaker technology expert, Croft adds valuable context to the awarded patent. This article was originally published in Voice Coil, July 2021
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