R&D Stories: The Tetrahedral Test Chamber Story (Part 2) - Consistent Loudspeaker Measurements

In this article Geoff Hill completes the Tetrahedral Test Chamber story, a concept born out of necessity, simple wavelength theory and Beranek's wedges, measurement theory, and building upon experience gained in designing chambers in Europe, US, and Asia. These chambers are now in use throughout the world, providing consistent, reliable, and accurate measurements of loudspeaker transducers and loudspeaker systems. This article was originally published in audioXpress, October 2021.

A high-quality speaker does not have to look like an ordinary, clunky piece of technology nor should anyone have to compromise on function to get a stylish speaker perfect for their home aesthetic. Groundbreaking, beautiful, and inspiring are just a few ways to describe Pantheone I. Pantheone Audio's first design, the Pantheone I, is a winner of the prestigious Red Dot Award for design and an Archiproducts Design Award. In this article for audioXpress, Oren Adani, the CEO and founder of Pantheone Audio shares the journey.

Anytime we need to login to the local Wi-Fi or pair with another Bluetooth device, we think, "There must be a better way to do this!" That's precisely one of the exciting possibilities for data-over-sound technology. This article explains what else we can do with it, and how it works. It also explores how data-over-sound can be realized in embedded scenarios, and how Chirp’s new technology, using the Arm Cortex-M4 and Cortex-M7 processors, can be implemented in connected products. This article was originally published in audioXpress, November 2019.

In this R&D Stories article for audioXpress, Matt Hardy (Business Development Manager, DeusO GmbH) looks at the evolution of Audio Control Interfaces. Looking beyond the transportation of audio over IP, the article considers approaches to matching the flexibility of an AoIP network structure with new technologies and standards for control and monitoring user interfaces. This article was originally published in audioXpress, July 2019.

This article is an interesting testimony from Piotr Szczechowiak, co-founder and COO at Zylia, a startup company from Poland, known for its ZM-1 spherical microphone array. The ZM-1 records and separates each instrument and vocals into a separate track using an innovative and patented recording sound-source separation technology, combining dedicated software and cloud processing. This article was published in audioXpress, January 2019

In this article for audioXpress, Jyri Huopaniemi and Kai Havukainen from Nokia Technologies, the licensing arm of Nokia, explain how to enable higher quality audio capture for smartphones and introduces us to some of the most exciting audio recording features ever available for mobile devices. How would you like to be able to completely isolate sound sources or zoom in on specific sounds and cancel the rest in location recordings, directly on a smartphone?