Product Development, Speakers, and Acoustic Analysis in audioXpress September 2023

audioXpress September 2023 is a rich issue in the amount of audio topics explored and depth of analysis. Learn about the latest sound meters and acoustical simulation tools, what immersive audio really is, and what is possible with the development kits for true wireless earbuds from Knowles. Roger Shively does a full analysis of the Dinaburg C2S Concentric Coplanar Stabilizer speaker technology, Charlie Laub explains how to build a Minimally Baffled Dipole Loudspeaker, and Gary Gesellchen reveals viable bass reflex speaker designs.

The August 2022 issue of audioXpress, Acoustics Focus, gives a unique overview of market trends in acoustical products, with great articles on Acoustic Diffusion, Distributed Subwoofers for Room Modes, and Reverberation Control and Measurement. Michel Nieuwenhuizen proposes an improved microphone preamp for condenser microphones, Aren van Waarde builds a minimalist preamp using only discrete transistors, and Ethan Winer shares circuits for VCA and VCF analog synthesizer modules.

From audio development and product design to acoustics! Read the Acoustic Solutions Round-Up and expert articles. Check out the NAD M10 Masters Series Streaming Amplifier review, then learn about Sound Liaison, a recording label translating live acoustical recordings in the best possible quality. Jan Didden reflects on "The Internal Life of Vacuum Tubes," and George Ntanavaras introduces his APR-17 Aperiodic Loudspeaker design. audioXpress August 2020, Focus on Acoustics, is now available in print and digital.

Danish company Odeon A/S, the pioneer of ray tracing and hybrid models that combine particle and ray tracing used to simulate and measure room acoustics, announced a new version of its ODEON Room Acoustics software. Introducing several important enhancements and new features the new version 16 is now available in four different application editions. Improved Reflectogram and 3D reflection-paths, improved Decay Curve, improved sweep-measurement tool, 3D Matrix, and support of ambisonic measurements are among the highlights.

This fifth article in the series explores the ODEON Room Acoustics Software, from the Danish company with the same name. Richard Honeycutt looks at the improved calculation methods and analysis capabilities of the sofware, incorporating an impulse response measurement system integrated to the software allowing easy comparison of calculated and measured responses. This article was originally published in audioXpress, July 2014.