All items tagged with Rub & Buzz (22)

Klippel Analyzer System Receives Software Updates for Testing DSP-Based Audio Devices

November 17, 2020 by Joao Martins

Klippel Analyzer System Receives Software Updates for Testing DSP-Based Audio Devices

Klippel has been keeping busy in the last months, continuously improving their measurement technology for loudspeakers and audio systems. With the dB-Lab 210.918 and QC 6.7 software updates, Klippel introduced new tools for testing DSP-enhanced speakers, headphones and connected audio systems, first with and hardware add-on for the SCN Scanning Vibrometer, and second with an extension for automatic testing at multiple excitation levels using the TRF module.

Practical Test & Measurement: Fast and Reliable End-of-Line Acoustic Defect Detection

September 23, 2020 by Wolfgang Klippel

Practical Test & Measurement: Fast and Reliable End-of-Line Acoustic Defect Detection

This article discusses end-of-line testing, a crucial step in production, which requires very specific procedures and measurements. Specifically, the authors focus on testing irregular acoustic defects (also known as Rub & Buzz) to reduce the test time and optimal solutions to speed automatic testing in a production environment. This article was originally published in audioXpress, September 2020.

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audioXpress September 2020 Speaker Focus Edition Is Now Available!

August 10, 2020 by audioXpress Staff

audioXpress September 2020 Speaker Focus Edition Is Now Available!

Our always popular loudspeaker edition is now available online and in print! audioXpress' Speaker Builder, Speaker Focus edition covers loudspeaker building, design, and testing with a balanced amount of DIY, speaker history, theory, R&D, and manufacturing articles. Read two articles about speaker history, a review of the Magnepan LRS, explore the details of two amazing speaker builds, and learn how to do loudspeaker measurements at home. And there's much more in speaker research and development, measurement, and production!

Fresh From the Bench: Dayton Audio Test System (DATS) V3

April 22, 2020 by David Logvin

Fresh From the Bench: Dayton Audio Test System (DATS) V3

After a decade of widespread use, the Dayton Audio Test System (DATS) has acquired an impressive reputation for fast and accurate testing. Now, Dayton Audio has taken the easy-to-use audio test system and improved it in almost every way when creating the DATS V3 Computer-Based Audio Component Test System. This is an ultraportable audio test system that provides a reliable method for collection of Thiele-Small parameters, loudspeaker measurements and component measurements. This article was originally published in audioXpress, March 2020.

Fast, Quality Testing of Loudspeaker Suspension Parts

March 4, 2020 by Wolfgang Klippel and Robert Werner

Fast, Quality Testing of Loudspeaker Suspension Parts

This article discusses an approach for time-efficient testing of loudspeaker suspension parts, close to their final operating conditions. It refers to the Linear Suspension Test set (LST Lite), a hardware and software add-on for the Klippel QC loudspeaker end-of-line testing system. The system may be applied to 100% of the parts or to a random sample. This article was originally published in Voice Coil, December 2012 (with some updates introduced from 2019 documents).

DATS V3 Updated Audio Measurement Tool for Speaker Designers and Audio Engineers

November 27, 2019 by audioXpress Staff

DATS V3 Updated Audio Measurement Tool for Speaker Designers and Audio Engineers

After a decade of widespread use, the Dayton Audio Test System (DATS) has acquired an impressive reputation for fast and accurate testing. A must have tool for the speaker builder and a very valuable tool for anyone who regularly works with audio equipment, Dayton Audio has taken the easy-to-use audio test system and improved it in almost every way when creating the DATS V3 Computer Based Audio Component Test System.

NTi Audio Announces Smart Measurements for Smart Devices Using the Flexus FX100 Audio Analyzer

December 18, 2018 by audioXpress Staff

NTi Audio Announces Smart Measurements for Smart Devices Using the Flexus FX100 Audio Analyzer

Responding to the challenges that were brought to the audio industry by the sweeping popularity of connected speakers and smart home devices, Swiss test and measurement specialist NTi Audio just announced an open loop test solution for its FX100 Audio Analyzer system and produced a tutorial using an Amazon Echo Dot device to demonstrate how to test the device's loudspeaker and microphone array using an open loop configuration test sequence.

HEAD acoustics Introduces HQS-Audio for Comprehensive Testing of Loudspeakers, Headphones and Audio Systems in Vehicles

November 28, 2018 by audioXpress Staff

HEAD acoustics Introduces HQS-Audio for Comprehensive Testing of Loudspeakers, Headphones and Audio Systems in Vehicles

HEAD acoustics, one of the world's leading companies in the field of voice and audio quality optimization, introduced HQS-Audio, a new tool for its ACQUA analysis system that provides whole set of targeted electroacoustic measurements and helps to comprehensively test the quality of audio devices. Whether loudspeakers, headphones, or audio systems in vehicles, HQS-Audio provides independent test runs for each application, consisting of various electroacoustic measurements, including Thiele-Small parameters.

New Dedicated Headphone QC Analyzer from LoudSoft

June 29, 2016 by Vance Dickason

New Dedicated Headphone QC Analyzer from LoudSoft

Following a preview earlier this year at the ALMA International Symposium and Expo 2016, in Las Vegas, Danish audio test and measurement specialist LoudSoft has now simultaneously released its new dedicated headphone/earphone hardware analyzer, FINE Hardware 2 with its new headphone/earphone QC software, FINE QC/Headphone. The solution is able to is able to test a headphone in 1 second, including Left-Right difference and Rub & Buzz for both, and the test cycle can also include Noise Cancel Test, both passive and active, in less than 10 seconds.

Headphone Testing (Part 1): The Basics

July 15, 2015 by Steve Temme

Headphone Testing (Part 1): The Basics

In this article, Steve Temme discusses the issues that are common to testing all types of headphones. As more and more loudspeaker engineers find themselves employed in the fast-growing headphone market, it is important that the unique challenges of testing headphone packages are fully understood.

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