All items tagged with acoustics (101)

Patent Review: Acoustical Window Assembly for Vehicle and Home Theater Solution

December 29, 2021 by James Croft

Patent Review: Acoustical Window Assembly for Vehicle and Home Theater Solution

James Croft reviews two patents for a new type of subwoofer architecture. The first is intended for use in an automobile and the second, for use in a domestic listening room. The first patent relates to an “Acoustical Window Assembly for Vehicle,” while the second describes a home-theater solution using essentially the same concept, adapted to one or more home windows. Both patents were awarded to Magna International, Inc. This article was originally published in Voice Coil, October 2015.

COMSOL Announces Multiphysics Version 6.0 with Valuable New Features in the Acoustics Module

December 15, 2021 by Joao Martins

COMSOL Announces Multiphysics Version 6.0 with Valuable New Features in the Acoustics Module

With the latest release of COMSOL Multiphysics 6, users of the Acoustics Module will benefit from many new and highly requested features that reflect the software's increasing use in the audio industry. Expanding the level of detail and applicability of multiphysics simulation to every area of development, COMSOL Multiphysics V6 introduces a new platform feature for model management, uncertainty quantification analysis, and important updates and performance enhancements to all modules.

Outline Announces Globe Source Radiator Acoustic Measurement Solution

November 29, 2021 by audioXpress Staff

Outline Announces Globe Source Radiator Acoustic Measurement Solution

Designed in collaboration with the Department of Mechanical And Industrial Engineering at the prestigious Brescia University in Lombardy, and engineered in Italy by Outline, the new Globe Source Radiator (GSR) high-power omnidirectional sound source solution provides a vital tool for acoustic analysis. Complemented with the Outline NG01 noise generator that can be controlled with a radio remote control, and the portable Outline L3000 DSP amplifier, the GSR offers a high-SPL solution for acoustics measurements in all environments, including large venues and spaces.

Get the Lowdown on Audio and DSP with audioXpress November 2021

October 12, 2021 by audioXpress Staff

Get the Lowdown on Audio and DSP with audioXpress November 2021

The November 2021 edition of audioXpress looks at the latest industry trends in digital signal processing, and enabling fully adaptive audio DSP experiences. Roger Shively (JJR Acoustics) writes about how the unique acoustic space of the car interior can be defined by the use of DSP, and Al Clark (CEO, Danville Signal Processing) shares his company’s journey into the development of the dspNexus DSP Audio Processor. Now available for viewing online, download and in print.

September 16, 2021 by audioXpress Staff

Hottinger Bruel & Kjaer Electroacoustics Virtual Conference Takes Place September 28 - 29

Registration is now open for the upcoming Electroacoustic Virtual Conference, an event promoted by Hottinger Bruel & Kjaer (HBK), which this year will be fully online and offers an exciting two-day program. The Electroacoustic Conference will offer presentations from experts in all areas related with sound, noise, acoustics and vibration, with more than 21 presentations already scheduled. Sessions include presentations from companies such as Head-Fi, XMEMS Micro Speakers, Comsol, Embody VR, Vibrations Inc., Harman International and more.

Staying Connected in Hostile Sound Environments

September 9, 2021 by Bruce Ryan

Staying Connected in Hostile Sound Environments

Consumers are increasingly looking to have high quality sound integrated into their lives in creative ways. However, ensuring that their demands are met across connectivity and sound can be hard to achieve. Often, the more creative and interesting the application, the higher chance it’s harder to produce a sound that is perfect for every use case.

You Can DIY! An Introduction to Measuring Rooms

September 8, 2021 by Ethan Winer

You Can DIY! An Introduction to Measuring Rooms

"Before you start measuring and playing around with your new speakers, maybe you should know your room." The statement, inspired Ethan Winer to write this article from a very practical perspective, helping us to understand the acoustics of our own listening rooms, and how measurements will help us. The examples contained in the article use the popular Room EQ Wizard (REW) software. This article was originally published in audioXpress, August 2021.

Test Bench: SB Acoustics’ Satori MW16TX-8 Textreme Woofer

September 1, 2021 by Vance Dickason

Test Bench: SB Acoustics’ Satori MW16TX-8 Textreme Woofer

This Test Bench article characterizes the SB Acoustics Satori MW16TX-8 TeXtreme Cone 6.5” Woofer, the third diaphragm transducer in Test Bench using this material, following the Eminence N314X-8 compression driver, and the SB Acoustics TW29TXN-B-4 dome tweeter. TeXtreme diaphragms are definitely finding acceptance among loudspeaker manufacturers. The MW16TX-8 is part of the SB Satori line of high-end transducers and has a substantial feature set. This article was originally published in Voice Coil, June 2021.

audioXpress August 2021 Focus on Acoustics Issue Now Available

July 13, 2021 by audioXpress Staff

audioXpress August 2021 Focus on Acoustics Issue Now Available

The August 2021 edition of audioXpress is now available in print and online. Read our Acoustical Solutions Round-Up 2021 and enjoy the DIY perspectives from Ethan Winer and Thomas Perazella on dealing with room measurements and treatments. David Logvin reviews Audio Precision's APx517B Acoustic Audio Analyzer, while Richard Honeycutt reflects on acoustic challenges for online and in-person meetings. And we conclude the DH-220C MOSFET Power Amplifier article by Bob Cordell and Rick Savas, and the VSCS Amplifier project in this edition.

New Range of Studio Float IsoRafts Vibration Isolation Products Debuts at Summer NAMM 2021

July 12, 2021 by audioXpress Staff

New Range of Studio Float IsoRafts Vibration Isolation Products Debuts at Summer NAMM 2021

Studio Float, a new brand from acoustic and studio equipment specialist Pro Audio Design, has announced a range of entirely new vibration isolation products called IsoRafts. Designed as an inexpensive but effective sound-absorbing solution, IsoRafts are simple, innovative ‘blocks’ constructed from wood and silicone that provide accurate predictive acoustic performance and are geared towards studio designers and builders for private or commercial production/performance venue projects.

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