In this issue

8 Exploring the Frontiers from R&D to QC
By J. Martins
In this Market Update, audioXpress highlights some of the latest solutions now available to the audio industry, including updates to some of the most established toolkits as well as new solutions.
30 Examining the miniDSP EARS Headphone Test Fixture
By Stuart Yaniger
Learn more about the capabilities of “EARS,“ the Earphone Audio Response System, which miniDSP says brings headphone measurement capability to “the masses.”
38 Measuring Speech Intelligibility
in Audio Systems
By Joe Begin
Joe Begin, of Audio Precision, examines the measurement methods currently in use for the objective—and repeatable—evaluation of speech intelligibility.
42 Attenuators for Measurement
By Jonathan Novick
In this article, Jonathan Novick discusses external attenuators and compares the impact different attenuators’ thermal noise will have on measurements of distortion.
48 Loudspeaker Efficiency
The Truth Behind the Numbers
By Geoff Hill
This article explores why we don’t see more high-efficiency designs in common use and reminds us that it is the total system efficiency that matters.
52 Build a Discrete High Output Current Buffer with JFET Input
By Dimitri Danyuk
Discover ways to provide better isolation between input and output terminals and lower input noise current using complementary JFETs from Linear Integrated Systems.
60 Noise in Vacuum
Tube Circuits
By Richard Honeycutt

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.