All items tagged with audio measurements (127)

September 16, 2021 by audioXpress Staff

Hottinger Bruel & Kjaer Electroacoustics Virtual Conference Takes Place September 28 - 29

Registration is now open for the upcoming Electroacoustic Virtual Conference, an event promoted by Hottinger Bruel & Kjaer (HBK), which this year will be fully online and offers an exciting two-day program. The Electroacoustic Conference will offer presentations from experts in all areas related with sound, noise, acoustics and vibration, with more than 21 presentations already scheduled. Sessions include presentations from companies such as Head-Fi, XMEMS Micro Speakers, Comsol, Embody VR, Vibrations Inc., Harman International and more.

Fresh From the Bench: Audio Precision APx517B Acoustic Audio Analyzer

September 15, 2021 by David Logvin

Fresh From the Bench: Audio Precision APx517B Acoustic Audio Analyzer

Primarily targeted at production test applications, the APx517B debuted at the end of 2020 and supplements AP's powerful product line of analyzers, which are considered the gold standard in audio measurement. In his review, David Logvin explores audio measurements with this fully integrated hardware, that combines multiple digital interface options all with accredited calibration. This article was originally published in audioXpress, August 2021.

Ed Okorn Joins Scantek as President

September 14, 2021 by audioXpress Staff

Ed Okorn Joins Scantek as President

Scantek, a leading company in sound and vibration measuring equipment sales, service and calibration, announced the appointment of Ed Okorn as President, assuming the responsibilities of president from Steve Marshall who has held the position for the past nine years. Marshall has agreed to continue his tenure by overseeing the re-accreditation of the Scantek Calibration Lab. Ed Okorn moves to Scantek from GRAS-Sound & Vibration where he was General Manager for North America since 2017.

Rational Acoustics Announces Major Update with Smaart v8.5

July 28, 2021 by audioXpress Staff

Rational Acoustics Announces Major Update with Smaart v8.5

Already on the fifth major version update for Smaart v8, Rational Acoustics has now focused its attention on Impulse Response (IR) Mode with an extensive overhaul while providing multiple new feature additions and improvements across the entire program. With the release of Smaart v8.5, a free update, the company also includes a new “Advanced Delay Finder” dialog, new features and improvements to SPL and Transfer Function measurements.

Raising the Bar for Loudspeaker Knowledge in Voice Coil August 2021

July 23, 2021 by audioXpress Staff

Raising the Bar for Loudspeaker Knowledge in Voice Coil August 2021

It's time for Loudspeaker News and Developments, unique technology Spotlights, valuable industry Directories, great speaker patent reviews, and Vance Dickason's speaker driver characterizations in Test Bench. This month, Bruno Putzeys and Lars Risbo write about their speaker research for Purifi Audio, James Croft reviews an acoustic low-pass filter patent awarded to Bujeon, and Vance Dickason tests the 5CXN44 coaxial driver from B&C Speakers. This edition features updated directories of Voice Coil and Magnet Vendors and Distributors.

AES Audio Product Education Institute Presents “Modeling and Measurement of True Wireless Stereo (TWS) Wearables”

July 16, 2021 by Audio Engineering_Society

AES Audio Product Education Institute Presents “Modeling and Measurement of True Wireless Stereo (TWS) Wearables”

The AES Audio Product Education Institute (APEI), created to promote methodologies, practices and technologies involved in developing and bringing audio products to market, is producing a free webinar focused on True Wireless Stereo (TWS) design on Tuesday, July 20 (12:00pm EDT). This webinar will focus on the fastest-growing category in consumer electronics with presentations from COMSOL, Listen, and JJR Acoustics detailing modeling, simulation and measurement of true wireless earbuds.

New NTi Audio M2340 Class 1 Measurement Microphone for the XL2 Analyzer

July 8, 2021 by audioXpress Staff

New NTi Audio M2340 Class 1 Measurement Microphone for the XL2 Analyzer

NTi Audio announced a valuable new 1/2" measurement microphone option for its portable XL2 Audio and Acoustic Analyzer. The new M2340 model is a development of the existing M2230, and is also a Class 1 measurement microphone, optimized for a flat, free-field response. In addition, the M2340 features self-verification circuitry and consumes significantly less power than the M2230. The M2340 contains the preamplifier and is an ideal omni-directional solution for noise monitoring.

Klippel New dB-Lab Version 212 and QC 7 Updates Extend Speaker and Enclosure Characterization Tools

July 1, 2021 by audioXpress Staff

Klippel New dB-Lab Version 212 and QC 7 Updates Extend Speaker and Enclosure Characterization Tools

Klippel released a major software update to its Klippel Analyzer System. The new dB-Lab Version 212 and QC 7 updates now add shared sensor management, support for the new Multi-Scanning Workbench hardware and three further modules (LSIM, MTON, RMA). The Klippel Multi-Scanning Workbench supports near-field holographic soundfield scanning measurements in a much smaller form factor, while the new modules add linear signal modeling and simulation and multi-tone measurements, dedicated to speaker and enclosure design.

Practical Considerations for Quality Control Testing of Loudspeakers

June 30, 2021 by Dan Knighten

Practical Considerations for Quality Control Testing of Loudspeakers

Integrating a power amplifier, microphone power supply, and analyzer required for speaker tests, the article details how the Audio Precision APx517B can save time in the overall test process through reduced setup and configuration steps. The authors also explain how this new AP solution meets the need to balance the cost of test including time, test methods, and system cost, against "the cost of failure" that might result from the expense of warranty repairs, or the possible negative impact to brand from product returns. This article was originally published in Voice Coil, April 2021.

Battery Ventures Establishes Axiometrix Solutions Unifying Its Three Test and Measurement Brands

June 16, 2021 by audioXpress Staff

Battery Ventures Establishes Axiometrix Solutions Unifying Its Three Test and Measurement Brands

The measurement-focused business group established by Battery Ventures, and comprised of Audio Precision, GRAS Sound & Vibration, and imc Test & Measurement, announced its new name and brand: Axiometrix Solutions. Supporting a global customer base in the test and measurement space, Axiometrix Solutions intends to span the most technology-intensive industries including electronics, aerospace, automotive and audiology.

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