All items tagged with audio measurements (123)
GRAS Launches RA0403/04 Ear Simulator For Precise Testing Of Hi-Res Audio Capable Headphones
March 2, 2020 by audioXpress Staff

GRAS Launches RA0403/04 Ear Simulator For Precise Testing Of Hi-Res Audio Capable Headphones

Following presentations at the 2019 AES International Headphone Conference in San Francisco or ISEAT in China, GRAS Sound & Vibration has now officially expanded its family of ear simulators with the launch of a model specially designed for the testing of high resolution audio capable headphones. Expanding on the GRAS RA0401/02 High-Frequency Ear Simulator, based on the standard IEC 60318-4 and extending the useful frequency range to 20 kHz, the new GRAS RA0403/04 Hi-Res Ear Simulator measures a frequency range to 50 kHz and beyond.
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Listen, Test, and Measure It! audioXpress March 2020 Now Available.
February 11, 2020 by audioXpress Staff

Listen, Test, and Measure It! audioXpress March 2020 Now Available.

audioXpress March 2020 focuses on Audio Test & Measurement. In this edition, learn how to find the right Test & Measurement solution, learn more about how to optimize audio production tests, and read the review of the new Dayton Audio DATS V3 Test System. Luke McCready also reviews the fantastic Audeze Mobius planar magnetic, wireless headphones. There's plenty more to read and learn about in our regular columns Sound Control and Audio Scope, plus a new article from Ed Simon on Powering Audio Circuits.
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Fresh From the Bench: Audio Precision APx555 B Series Audio Analyzer
January 29, 2020 by Stuart Yaniger

Fresh From the Bench: Audio Precision APx555 B Series Audio Analyzer

Stuart Yaniger offers his review of the latest Audio Precision APx555 B Series audio analyzer, and the corresponding new updated V5 software for the APx series. The APx B series now features a new High Performance Sine Generator and a High Performance Sine Analyzer, which Audio Precision claims reduces THD+N to better than -120 dB, with a 1 MHz bandwidth and Fast Fourier Transforms (FFTs) of up to 1.2 million points. This article was published in audioXpress, December 2019.
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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.
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Prism Sound Test & Measurement Changes its Trading Name to Spectral Measurement
August 27, 2019 by audioXpress Staff

Prism Sound Test & Measurement Changes its Trading Name to Spectral Measurement

Prism Sound’s Test & Measurement division has re-launched itself specializing exclusively in audio test & measurement solutions and trading under the new name of Spectral Measurement. Prism Media Products Limited, the company behind the innovative dScope Series III Audio Analyzer, will now focus exclusively on developing new audio test & measurement solutions.
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Klippel Releases dB-Lab Software Update and new Application Notes
August 2, 2019 by audioXpress Staff

Klippel Releases dB-Lab Software Update and new Application Notes

Klippel's software dB-Lab version 210, the unified framework for R&D and QC audio testing, diagnostics and simulation, has received a free maintenance update. The update includes bug fixes and minor feature updates for released modules and beta test products like the Live Audio Analyzer (LAA). dB-Lab is a project-oriented Windows application that also features all sorts of templates for common test setups.
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HEAD acoustics Provides World’s First Certified Test Solution for Super-Wideband-Capable Mobile Devices
July 18, 2019 by audioXpress Staff

HEAD acoustics Provides World’s First Certified Test Solution for Super-Wideband-Capable Mobile Devices

HEAD acoustics is the world´s first - and up to now the only - manufacturer of measurement technology to have received approval from the Global Certification Forum (GCF) and the PCS Type Certification Review Board (PTCRB) responsible for North America for its test solution for super-wideband-capable mobile devices. The successfully certified test platform TP 190 encompasses two HEAD acoustics’ communication quality analysis system ACQUA, and labCORE hardware platform.
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AudioControl Showcases New Studio Six Digital Audio Test and Measurement Solutions at InfoComm 2019
July 8, 2019 by Joao Martins

AudioControl Showcases New Studio Six Digital Audio Test and Measurement Solutions at InfoComm 2019

Certainly one of the most interesting displays at InfoComm 2019 was the Studio Six Digital side of the AudioControl booth, now that the companies are effectively united, following the acquisition in 2018 of part of the capital of the company founded by Andrew Smith. It was great to see important updates on the Studio Six audio test and measurement systems for the iOS platform, but also an exciting new product, the dBPod Smart Sound Monitor.
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Zumi Systems Introduces Advanced Headphone Measurement Tools
April 23, 2019 by audioXpress Staff

Zumi Systems Introduces Advanced Headphone Measurement Tools

Zumi Systems, a company dedicated to the development and manufacturing of audio measurement tools, announced a new range of headphone measurement solutions which the company believes can be a dream tool for development and production operations. All ZUMI products are case specific, highly integrated instruments. The range includes the self-contained HP70 headphone measurement instrument, the EP8 earphone tester, the ZUMI DT70 portable tester for headphone drivers, and a core system board for integration in custom built test fixtures.
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Practical Test & Measurement: Attenuators for Measurement
March 27, 2019 by Jonathan Novick

Practical Test & Measurement: Attenuators for Measurement

In this article for audioXpress, Jonathan Novick explains why the use of external attenuators are an effective and cost-effective way to measure signals above the maximum input voltage of an audio analyzer. Novick explains why there needs to be some consideration of the topologies and different attributes offered by such components for audio noise measurements. He compares the impact different attenuators’ thermal noise will have on measurements of distortion. This article was originally published in audioXpress, March 2019.
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