audioXpress March 2019 Is Now Available. Time for Audio Test and Measurements!

Get to the bench, it's Test and Measurement time. In this edition, you will find a Market Update with the latest audio measurement solutions available to the audio industry. Stuart Yaniger reviews the new Earphone Audio Response System from miniDSP, Joe Begin explains how to measure speech intelligibility, and Jonathan Novick details how to use external attenuators for measurements. Geoff Hill discusses why total system efficiency should be the target in loudspeaker design, and Dimitri Danyuk explores a discrete high output current buffer with JFET input.

In this reference article, published by audioXpress in 2008, Joe D’Appolito shares his experiments with loudspeaker evaluation. In the two parts of this article, D’Appolito tries to answer the question: “Of all the measurements available to the designer, which ones are the best predictors of listener preference?" In over 30 years of designing loudspeakers, I have found the following measurements taken as a group provide the strongest predictor of loudspeaker preference available to us today,” he states.

ECOXGEAR, a Grace Digital brand, has partnered with SunCore, a renowned semiconductor solar-based product company and developer of a proprietary photovoltaic panel technology, to help create ECOXGEAR’s high density solar panels. This new, exclusive partnership in solar powered products will enable sustainable experiences anywere, including powering portable Bluetooth speakers.