All items tagged with simulation (45)

SAE Noise & Vibration Conference and Exhibition

May 22, 2025 by Roger Shively

SAE Noise & Vibration Conference and Exhibition

Every two years the Society of Automotive Engineers (SAE) holds a noise and vibration conference in Grand Rapids, MI, that is of great interest for anyone working with automotive audio. This year’s SAE Noise & Vibration Conference and Exhibition, May 12-15, proved to be equally appealing. A great content program, great discussions with the experts and valuable perspectives from noise and vibration experts.

COMSOL Conference 2025 to Kick Off in Boston, October 8-10

May 12, 2025 by Joao Martins

COMSOL Conference 2025 to Kick Off in Boston, October 8-10

COMSOL announced that the first stop of its worldwide COMSOL Conference 2025 tour will be held in Boston, MA, on October 8-10. The annual COMSOL Conference provides a space for engineers, scientists, and researchers to showcase their modeling and simulation work, exchange ideas, and learn new modeling techniques. Given the recent updates in the COMSOL Acoustics module, the 2025 conference promises to be an exciting opportunity for the audio modeling and simulation community.

Simulation Techniques: Perturbation Methods in Audio Engineering

April 2, 2025 by René Christensen

Simulation Techniques: Perturbation Methods in Audio Engineering

Standard simulations are closely tied to the analytical framework much more than the numerical. Simulation software gives insight into physical products that could not be achieved otherwise, often leading to less attention being paid to analytical methods and descriptive mathematical expressions related to the physical application. This article explores an analytical approximation method described as a perturbation approach.

L-Acoustics and Treble Technologies Announce Strategic Partnership and Investment

February 3, 2025 by audioXpress Staff

L-Acoustics and Treble Technologies Announce Strategic Partnership and Investment

L-Acoustics, the French manufacturer of professional sound systems and global market leader in the touring and large performance segment, announced its participation in Treble Technologies’ Series A funding round, alongside a strategic partnership between the two companies. Treble Technologies, based in Reykjavík, Iceland, is a pioneering leader in acoustic simulation, spatial audio and synthetic audio data generation.

audioXpress January 2025. Innovations in Audio. Product Development. The Best in DIY Audio

December 12, 2024 by audioXpress Staff

audioXpress January 2025. Innovations in Audio. Product Development. The Best in DIY Audio

In this issue we write about some of the most innovative Drivers and Transducers from the past two years. Read about dual-driver true wireless earbuds, and how to assess listening effort inside vehicles. Douglas Self shares his latest findings on Modern Op-Amp Distortion Tests, and René Christensen explores the analytical framework that sustains great simulation techniques. Reviews of the APL Virtuoso v2 Binaural Renderer, and the Purifi 1ET9040BA amplifier module.

Simulation Techniques: Double Bass Arrays

November 21, 2024 by René Christensen

Simulation Techniques: Double Bass Arrays

Although the sound field in a room at low frequencies is one of the most discussed topics, approaches to dealing with room modes are typically treated as an optimization problem, and not correctly defined. This article explores a different strategy: the so-called Double Bass Array layout, using several subwoofers placed in a pattern, on the front and rear walls. Using advanced simulation techniques in order to understand what truly happens in the resulting room mode behavior, sound pressure levels, and resonances, this article builds upon existing research (Geddes, Welti, Devantier, et al.)

Inside the Audio Lab: How Apple Developed Its Hearing Health Experience

October 28, 2024 by audioXpress Staff

Inside the Audio Lab: How Apple Developed Its Hearing Health Experience

Apple owns multiple R&D centers spread across the globe, some of which include state-of-the-art anechoic chambers and advanced acoustic simulation rooms. Apple’s state-of-the-art Audio Lab in Cupertino, California, is the hub for the design, measurement, tuning, and validation of all of Apple’s products with speakers or microphones. It’s also the center for Apple's multiyear, cross-team collaboration that enabled the new hearing health features on AirPods Pro 2.

Sharing the Knowledge. audioXpress October 2024 Is Now Available!

September 12, 2024 by audioXpress Staff

Sharing the Knowledge. audioXpress October 2024 Is Now Available!

Read the extended Show Report of the 5th International AES Conference on Automotive Audio. Santiago Rayes (GRAS Acoustics) explains the latest advances in Measurement Microphones for Automotive Testing. Reinhold Lutz writes about Eliminating Speaker Doppler Distortion, René Christensen shares an exercise of Double Bass Arrays, and Joerg Panzer (R&D Team) and Patrick Macey (PACSYS) share their Experimental and Theoretical Investigation of an Unusually Shaped Horn. Jan Didden reviews Bob Cordell’s latest book, “Designing Audio Circuits and Systems”.

audioXpress June 2024 Models Automotive Audio Development

May 13, 2024 by audioXpress Staff

audioXpress June 2024 Models Automotive Audio Development

audioXpress June 2024 puts automotive audio development into perspective. Starting with how AI and SDV are impacting the industry, an analysis of Integrated Audio Development Frameworks, how sound defines the driving experience of Electric Vehicles, and lessons learned from aftermarket car audio. Learn how to measure MEMS microspeakers, enjoy two great multiphysics simulation articles by Jinlan Huang and René Christensen, and much more.

Simulation Techniques: Acoustical Shape Optimization for Vibroacoustics Applications

April 24, 2024 by René Christensen

Simulation Techniques: Acoustical Shape Optimization for Vibroacoustics Applications

Having detailed how formal optimization can be used for product design of audio products such as speakerphones and waveguides, in this article René Christensen explores free-form and alternative optimization techniques where the topology of the geometry is given from the outset. Using practical examples, this article addresses shape optimization techniques, identifying useful types of boundaries and challenges to look out for audio product designs. This article was originally published in audioXpress, February 2024.

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