All items tagged with REW (7)

Measure Your Audio and Evolve Your Design Skills with audioXpress March 2024

February 12, 2024 by audioXpress Staff

Measure Your Audio and Evolve Your Design Skills with audioXpress March 2024

The March 2024 issue of audioXpress includes an overview of the latest Audio Test and Measurement solutions, a review of the Listen SoundCheck 21 and AmpConnect 621 test suite, and a tribute to 20 years of Room EQ Wizard (REW). Learn how to build a True-RMS Voltmeter and what's behind the myth of Second Harmonic Distortion. Learn how motion feedback technologies can be applied to speakers, and how our hearing process affects our audio listening experiences, and much more. Dive in now!

CTA-2010: A Better Way to Measure Subwoofers

September 8, 2021 by Brent Butterworth

CTA-2010: A Better Way to Measure Subwoofers

Exploring the Standard Method of Measurement for Subwoofers (ANSI/CTA-2010-B R-2020), Brent Butterworth discusses how this might be a better method for avoiding the confusion on measuring bass extension of subwoofers. The article details how CTA-2010 measures usable output at 1/3-octave intervals within the subwoofer’s operational range, instead of measuring frequency response at a low sound pressure level. This article was originally published in Voice Coil, June 2021.

You Can DIY! An Introduction to Measuring Rooms

September 8, 2021 by Ethan Winer

You Can DIY! An Introduction to Measuring Rooms

"Before you start measuring and playing around with your new speakers, maybe you should know your room." The statement, inspired Ethan Winer to write this article from a very practical perspective, helping us to understand the acoustics of our own listening rooms, and how measurements will help us. The examples contained in the article use the popular Room EQ Wizard (REW) software. This article was originally published in audioXpress, August 2021.

MiniDSP Introduces UMIK-2 Omnidirectional Acoustic Measurement Microphone and UMIK-X Distributed MEMS Microphone Array

October 21, 2020 by audioXpress Staff

MiniDSP Introduces UMIK-2 Omnidirectional Acoustic Measurement Microphone and UMIK-X Distributed MEMS Microphone Array

miniDSP introduced two new advanced products in its Acoustic Measurement product line, including the UMIK-2, miniDSP's second-generation omnidirectional acoustic measurement microphone, offering a significant upgrade in performance and functionality compared to the popular UMIK-1. And for multichannel measurements, there's the new UMIK-X USB Multichannel microphone array, offering up to 16ch audio recording, A2B wiring, and REW integration.

Fresh From the Bench: The Linear Audio Autoranger Mk II Measurement Interface

April 15, 2020 by Stuart Yaniger

Fresh From the Bench: The Linear Audio Autoranger Mk II Measurement Interface

Stuart Yaniger explores new possibilities in audio measurement systems, expanding on the basics of using sound cards combined with new accessible-to-all software tools, such as REW, and a recently improved measurement interface option. That option is the Linear Audio Autoranger Mk II Interface, which audioXpress’ Technical Editor Jan Didden designed a few years ago and which is now available as an improved Mk II version. This article was originally published in audioxpress, April 2020.

Essential Updates on Headphones, TWS, Hearables, Voice and More in audioXpress April 2020

March 9, 2020 by audioXpress Staff

Essential Updates on Headphones, TWS, Hearables, Voice and More in audioXpress April 2020

The April 2020 edition of audioXpress is now available and features two essential Market Updates, one focusing on the industry transition to active headphone and earphone designs, and another on how to leverage the latest voice capture and processing technologies. The issue also explains how to evaluate listening effort, and Stuart Yaniger puts the Linear Audio Autoranger Mk II Interface to the test, while Ed Simon writes about AC Power Rectification. Another issue to read and use as reference.

Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements (Part 3)

April 26, 2017 by Stuart Yaniger

Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements (Part 3)

In this article series, Stuart Yaniger examines ways to create a low-cost system for lab-grade audio electronics measurements. The pieces of a powerful modern measurement system comprise a sound card, software, and a signal conditioning interface and, of course, the right computer. That’s where Yaniger delves in this third part, also sharing some of his first findings on available software. This article was originally published in audioXpress, August 2015.