All items tagged with loudspeaker measurements (80)

Lyceum Introduces Advanced Data Ingestor for Audio Measurement Data Management and Collaboration

April 27, 2023 by Joao Martins

Lyceum Introduces Advanced Data Ingestor for Audio Measurement Data Management and Collaboration

Lyceum unveiled the Advanced Data Ingestor, a solution designed to streamline audio measurement data management and collaboration. This tool automates repetitive data cleaning tasks and provides a cloud-based platform for sharing 'clean' data, significantly reducing the time-consuming process that engineers have faced for years. The solution facilitates real-time collaboration between manufacturers and product lead engineering teams, allowing for quicker issue identification and resolution.

New Klippel Endurance Testing (KET) Available with Winter 2023 Klippel Software Update

February 21, 2023 by Joao Martins

New Klippel Endurance Testing (KET) Available with Winter 2023 Klippel Software Update

A completely new approach to long-term testing is now available as part of the latest Klippel dB-Lab Version 212 and QC 7 software. The update for the Klippel Analyzer System - free of charge for all users running dB-Lab 212 or QC7 - introduces two new pre-release modules and a new Online Help System for both R&D and QC. The main new module is the Klippel Endurance Testing (KET) and the second is a Nonlinear Residual Analyzer (NRL) tool dedicated to measuring any audio playback device with arbitrary signals such as music or speech.

Speaker Measurements: Replacing IEC 60268-5 (Part 2) - The Importance of Measurements

February 1, 2023 by Geoff Hill

Speaker Measurements: Replacing IEC 60268-5 (Part 2) - The Importance of Measurements

This article concludes the examination by Geoff Hill of the work taking place on loudspeaker measurement standards, and the progress the International Electrotechnical Commission (IEC) has made with its update efforts, also resulting from the work of the Audio Engineering Society's Standards Committee. We learn how these new standards apply to measurements of sound in 3D space and in production environments, SPL using voltage sensitivity, and the measurements of microspeakers. This article was originally published in audioXpress, October 2022.

Speaker Measurements: Replacing IEC 60268-5 (Part 1) - What Comes Next and Why

January 25, 2023 by Geoff Hill

Speaker Measurements: Replacing IEC 60268-5 (Part 1) - What Comes Next and Why

Geoff Hill, the inventor of the Tetrahedral Test Chamber (TTC), a member of the international Electrotechnical Commission’s standards 60268-21-2018 and 60268-22-2020, and part of the IEC Working Group TC 100/TA 20/PT 60268-22 on electrical and mechanical measurements on transducers, summarizes the progress happening on loudspeaker measurement standards. This is the first of two articles, appealing directly to all loudspeaker designers and manufacturers. This article was originally published in audioXpress, September 2022.

FORCE Technology Partners with Sound Hub Denmark to Support Sound Quality Testing

December 14, 2022 by audioXpress Staff

FORCE Technology Partners with Sound Hub Denmark to Support Sound Quality Testing

FORCE Technology, a large technology consultancy and service company and one of the large certification institutes in Denmark, providing on-site inspections, measurements, and calibration laboratories, established a partnership on product sound quality testing with Sound Hub Denmark. The goal is to reinforce the work of the many audio companies that are already using the resources offered by the Sound Hub, while also expanding the range of services available.

Voice Coil December 2022 Improves Loudspeaker Measurements

November 29, 2022 by Joao Martins

Voice Coil December 2022 Improves Loudspeaker Measurements

Voice Coil December 2022 features an updated directory of Measurement Microphones Vendors, Mike Klasco writes about how to Enhance Low-Frequency Performance, and Vance Dickason reminds us that there is a more realistic way to map speaker resonances. Test Bench characterizes two tweeters from Beyma's new Near and Mid Field (NMF) series: the T-25M 1" aluminum/magnesium alloy metal dome tweeter, and the similar T-25S 1" silk dome tweeter.

Listen Releases Free Automated Test Sequence for AES75-2002 Measurements

November 18, 2022 by Joao Martins

Listen Releases Free Automated Test Sequence for AES75-2002 Measurements

Listen is the first test and measurement company to automate measuring loudspeakers to the new AES75-2022 (M-Noise) standard for Maximum SPL. This removes subjectivity, increases reliability, and saves time. The test sequence, developed for use within the company’s popular SoundCheck audio test and measurement system, is available free of charge on Listen’s website. And Listen is now offering the new Portland Tool & Die MDT-4000 audio measurement turntable, fully controllable from within SoundCheck.

Closer to Home. audioXpress October 2022 Is Now Available

September 9, 2022 by audioXpress Staff

Closer to Home. audioXpress October 2022 Is Now Available

There's a lot of everything in audioXpress October 2022. Starting with a market update on audio for Residential Integration. Next, Jonny McClintock shares The Story of aptX, Gary Galo reviews Sumiko phono cartridges and new 78 rpm stylus, Richard Honeycutt explains RT Measurement, Frans de Wit tackles the design of a DC Power Supply, Ken Bird builds a pair of tower speakers with Oaktron drivers manufactured in the US, and Christopher Paul writes about Triode Common Cathode Stages and its controversies.

audioXpress September 2022 Speaker Focus Issue Now Available

August 11, 2022 by audioXpress Staff

audioXpress September 2022 Speaker Focus Issue Now Available

The September 2022 Speaker Focus issue of audioXpress discusses speaker design and testing tools and features two fascinating speaker R&D stories on the Holoplot X1 Matrix Array and Motion Feedback Desktop Subwoofers for nearfield studio application. Geoff Hill explains the latest IEC loudspeaker measurement standards, Roger Shively reports from the AES 2022 Automotive Audio conference, Christoph Sladeczek writes about Audio Objects as Platform Technology in Vehicles, and much more.

RCF Sponsors PAcalculate App Update with Subwoofer Array Modeling

April 6, 2022 by audioXpress Staff

RCF Sponsors PAcalculate App Update with Subwoofer Array Modeling

A long term effort by José Brusi, the principal of Brusi Acoustics consulting firm and an independent laboratory for loudspeaker testing based in Valencia, Spain, PAcalculate is a very useful mobile app for audio professionals working in sound reinforcement. The latest PAcalculate v1.3.2 release was recently described by Brusi as "the most exciting update to date for the calculator app that tens of thousands of proaudio professionals keep installed in their mobile phones."

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