audioXpress - January 2023

In this issue

FROM THE EDITOR’S DESK—From Ideas to Manufacturing, by J. Martins, p. 4
MARKET UPDATE—Bone Conductors Going Mainstream, by Mike Klasco and J. Martins, p. 8
Building a Haptic Dimension: The Science Bhind the Taction Transporter, by Silmon James Biggs and John Steinberg, p. 18
The Benefits of Using Structure-Borne Sound in Headset Signal Processing, by Hans W. Gierlich, p. 26
SOUND CONTROL—Acoustical Test Sources, by Richard Honeycutt, p. 34
OTC Hearing Aids: Is Innovation Leaving the Rule Behind?, by Andrew Bellavia, p. 40
The Audio Foundry Automotive Audio Development Platform, by Adam Levenson, p. 46
Loudspeaker Driver Displacement Decomposition, by René Christensen, p. 54
Power Transformer Parameters, Selection, and Testing (Part 3): Insulation Materials, Winding Bobbins, and Testing Methods, by Chuck Hansen, p. 58

Bone Conductors Going Mainstream

Bone conduction technology that sends vibrations directly to the inner ear, bypassing the eardrums, is seeing increasing use-evolving from its origins in medical hearing devices to mainstream consumer and strategic communication applications. The advantages in open-ear wireless applications have great appeal and the audio industry is responding.

10+ mins

Building a Haptic Dimension The Science Behind the Taction Transporter

Haptic motors are finding applications in gaming, music, VR/AR, and therapeutic/wellness. The Transporter is a patented transducer that delivers faster more accurate bass and is designed to work with the main audio driver in headphones. It subtly vibrates against the user’s skin to produce an extra dimension that can be described as a high-fidelity extension.

10 mins

The Benefits of Using Structure-Borne Sound in Headset Signal Processing

This article details the latest testing strategies for bone conduction technology used in product development for headsets and in-ear devices. It showcases new possibilities for manufacturers to better evaluate device performance, since no appropriate test equipment and methods were commercially available until now.

6 mins

Acoustical Test Sources

The choice of a sound source for acoustical testing and reporting is decisive and should be determined according to the applications. Let’s explore the characteristics and benefits of available sources for acoustical measurements.

7 mins

OTC Hearing Aids

Is Innovation Leaving the Rule Behind? A wave of new developments promises to solve the most pressing need for people with milder hearing loss, allowing mass-market hearables to supplant over-the-counter hearing aids with less stigma.

9 mins

The Audio Foundry Automotive Audio Development Platform

This article details the possibilities of the Audio Foundry platform for automotive audio prototyping and to support the development of audio experiences in vehicles with powerful design tools and services. The result of a collaboration between Tymphany and DSP Concepts.

10+ mins

Loudspeaker Driver Displacement Decomposition

This valuable tutorial offers a unique overview on the possibilities of three-dimensional analysis of loudspeaker driver displacement, using Phase Decomposition and Axial-Symmetrical Decomposition techniques.

6 mins

Power Transformer Parameters, Selection, and Testing

Part 3 Insulation Materials, Winding Bobbins, and Testing Methods, In the previous two articles in this series, Chuck Hansen detailed the history of transformer cores and their various construction methods. This article explores transformer insulation materials and winding bobbins, and testing methods for the insulation system.

10 mins

Read all stories from {{magazineName}}

audioXpress Magazine Description:

Step into the realm of audio, sound technology, and the latest developments in the field with audioXpress Magazine. We're delighted to introduce you to this publication, your ultimate source for all things related to audio, audio equipment, and the art of sound reproduction.

audioXpress Magazine, published by KCK Media Corp., is not just a magazine; it's your portal to the world of audio and sound technology.

As you explore the pages of audioXpress Magazine, you'll find a world of content that celebrates the magic of sound and audio technology:

* Audio Equipment: Dive into the world of audio gear, equipment reviews, and the latest advancements in the industry.
* Sound Technology: Explore the science of sound, audio engineering techniques, and the art of sound reproduction.
* DIY Audio: Learn about do-it-yourself audio projects, audio kits, and tips for crafting your own sound systems.
* Industry Insights: Stay informed about the latest trends, innovations, and news in the audio and sound technology field.
* Music and Sound: Immerse yourself in the world of music, audio production, and the stories of sound enthusiasts.


audioXpress Magazine is your essential resource for celebrating the magic of sound, understanding audio technology, and connecting with a community that values the science and art of sound. Subscribe now and become part of a community that appreciates the power of sound and music.