All items tagged with Audio Precision (88)

Headphone Testing and Lots of Speaker Knowledge in Voice Coil June 2022

May 27, 2022 by audioXpress Staff

Headphone Testing and Lots of Speaker Knowledge in Voice Coil June 2022

Another great issue of Voice Coil magazine. Vance Dickason writes about the Multi-Tone Measurement Module (MTON) available for the Klippel KA3 Analyzer. Mike Klasco and Nora Wong (Menlo Scientific) compiled an updated Directory of Headphone Test & Measurement Equipment for 2022. We revisit a 2004 patent of a speaker using an "Internal Negative Stiffness Mechanism." And in Test Bench, Vance Dickason characterizes the latest Celestion CDX1-1412 1" Compression Driver and a new 3" dome midrange from Tang Band Speaker (TB Speaker).

The Audio Measurement Issue! audioXpress March 2022 is Now Available

February 11, 2022 by audioXpress Staff

The Audio Measurement Issue! audioXpress March 2022 is Now Available

audioXpress March 2022 features an extensive Market Update report on the latest audio test and measurement tools. Matt Taylor explains the possibilities of REST for automated test and measurement, and Joe Begin (Audio Precision) addresses testing multichannel MEMS microphone arrays. The KEF KC62 subwoofer is reviewed by Oliver Masciarotte and measured by Kent Peterson, and Ben Chen explains how to use the Sfera Labs' Exo Sense Pi module as a sound meter. Download or read online now.

Audio Precision Releases APx v7.0 Audio Measurement Software and Introduces New Subscription Model

November 30, 2021 by audioXpress Staff

Audio Precision Releases APx v7.0 Audio Measurement Software and Introduces New Subscription Model

Audio Precision released the latest update to its APx500 audio measurement software, version 7.0, adding new enhancements suited to a wide range of audio test applications, whether analog, digital, or acoustic. In parallel with release 7.0, Audio Precision is also introducing APx500 software subscriptions, offering APx users an alternative in how they license APx software, and access nearly any software version and option.

GRAS Sound & Vibration Launches SysCheck2 Intelligent Acoustic Sensor System with Built-in Self-verification

November 30, 2021 by audioXpress Staff

GRAS Sound & Vibration Launches SysCheck2 Intelligent Acoustic Sensor System with Built-in Self-verification

Danish measurement microphone specialists GRAS Sound & Vibration, now a part of Axiometrix Solutions, announced two new microphones with SysCheck2 functionality allowing for remote-controlled health check of an entire measurement chain. The new microphones are the GRAS 246AE 1/2" CCP Free-field Standard SysCheck2 Microphone Set, and the GRAS 246AO 1/2" CCP Pressure Standard SysCheck2 Microphone Set, both featuring self-verification.

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.

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.

New AES/APEI Webinar Focused on Audio Products Test and Manufacturing Strategies

July 23, 2021 by Audio Engineering_Society

New AES/APEI Webinar Focused on Audio Products Test and Manufacturing Strategies

Audio test and measurement solutions supplier Audio Precision, and Instrumental, an AI-powered discovery, analysis and real-time monitoring manufacturing solutions provider, join the AES Audio Product Education Institute in a webinar that focuses on the factory floor and the very specific production line challenges. Wednesday, July 28 2021 (12PM EDT), the two companies will detail cutting-edge solutions and strategies for detecting and solving production problems and inefficiencies, focusing on audio product examples.

audioXpress August 2021 Focus on Acoustics Issue Now Available

July 13, 2021 by audioXpress Staff

audioXpress August 2021 Focus on Acoustics Issue Now Available

The August 2021 edition of audioXpress is now available in print and online. Read our Acoustical Solutions Round-Up 2021 and enjoy the DIY perspectives from Ethan Winer and Thomas Perazella on dealing with room measurements and treatments. David Logvin reviews Audio Precision's APx517B Acoustic Audio Analyzer, while Richard Honeycutt reflects on acoustic challenges for online and in-person meetings. And we conclude the DH-220C MOSFET Power Amplifier article by Bob Cordell and Rick Savas, and the VSCS Amplifier project in this edition.

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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