All items tagged with test and measurement (395)
Practical T&M: Measuring MEMS Microspeakers
July 17, 2024 by Steve Temme and Michael Ricci

Practical T&M: Measuring MEMS Microspeakers

MEMS microspeakers are a completely new class of product with its unique challenges. MEMS drivers are now commercially available and seeing fast evolution and adoption in true wireless stereo (TWS) earbuds and in-ear monitors (IEM). With the emergence of these small form-factor transducers comes the need to address how to measure its performance and ensure product quality, even before its integration in finished products.
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NTi XL3 Acoustic Analyzer Now Supports STIPA Speech Intelligibility Measurements
July 11, 2024 by Joao Martins

NTi XL3 Acoustic Analyzer Now Supports STIPA Speech Intelligibility Measurements

NTi Audio continues to expand the possibilities of its XL3 handheld acoustic analyzer and sound level meter. The XL3 now supports speech intelligibility measurements according to the IEC60268-16 STIPA international standard. Together with NTi's TalkBox (acoustic) and MR-PRO (electrical) signal sources, the XL3 is now an ideal tool for efficient and reliable STIPA measurement tasks, allowing the measured values to be conveniently visualized in a report.
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Audio Precision Announces APx500 Global Workshop Series
July 11, 2024 by audioXpress Staff

Audio Precision Announces APx500 Global Workshop Series

Starting in August, and continuing through December 2024, Audio Precision is promoting its APx500 Global Workshop Series in North America, Europe and the Asian-Pacific. The APx500 Measurement Software is a common software platform for all APx Audio Analyzers. The advanced audio measurement solution is offered with a wide range of options tailored to specific applications, including electro-acoustic testing (R&D or Production), perceptual audio test (POLQA), speech intelligibility (ABC-MRT and STI measurements).
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Crysound Launches Next-Gen Acoustic Imaging and Thermal Camera
June 28, 2024 by Joao Martins

Crysound Launches Next-Gen Acoustic Imaging and Thermal Camera

The popularity of acoustic cameras has exploded over the past three years, as applicability also increased with portable models. Evolving from large models used mainly in research, acoustic cameras are now compact and portable enough to become practical in daily inspection operations. Crysound, the largest audio test and measurement company from China, has now introduced the CRY8120 Series Acoustic Imaging Cameras, a breakthrough in industrial capabilities, also combining a thermal module.
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Listen Launches SoundCheck Version 22 with Python Integration and Many New Features
June 20, 2024 by Joao Martins

Listen Launches SoundCheck Version 22 with Python Integration and Many New Features

Listen released SoundCheck 22. This update introduces many new features focusing on integration and flexibility for both production and R&D users. These include a new Python Integration module which enables SoundCheck to communicate with many devices and software programs using Python scripts, a new crest factor algorithm, a new multi-channel FFT analyzer, and additional post-processing tools. There are also significant upgrades to the statistics functionality, signal generator, metadata and more. SoundCheck 22 also operates on Apple Silicon processors with significant performance advantages.
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HEAD acoustics Announces ArtemiS SUITE Release 16
June 19, 2024 by Joao Martins

HEAD acoustics Announces ArtemiS SUITE Release 16

Since its inception, HEAD acoustics' ArtemiS SUITE has been a game changer for structural and acoustic analysis. The modular software platform for measuring and analyzing sound and vibration is a comprehensive solution for product and environmental noise optimization, combining powerful tools that allow users to master tasks with ease. HEAD acoustics now announced release 16, which improves test automation and standard testing routines, among many other enhancements.
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HEAD acoustics' MOBILITY Voice and Noise Conference 2024
June 6, 2024 by Roger Shively

HEAD acoustics' MOBILITY Voice and Noise Conference 2024

audioXpress attended the HEAD acoustics' MOBILITY Voice and Noise Conference 2024 (May 8-9, 2024). An immersive event with the most advanced solutions and an application-based approach for testing and evaluating sound for automotive. On the southern shore of the Golden Gate strait, located on the headlands of the San Francisco Peninsula inside the Presidio, not far from the historic Officer's Club, HEAD acoustics hosted this conference as a way to provide an updated and practical look at all automotive and mobility voice and noise applications.
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Voice Coil June 2024 Explores More Drivers and Transducer Options
May 29, 2024 by audioXpress Staff

Voice Coil June 2024 Explores More Drivers and Transducer Options

In the June 2024 issue of Voice Coil, Claus Futtrup explores the Linkwitz-Riley (LR4) Bass Reflex Alignment, in Acoustic Patents, James Croft revisits an important invention from Bang & Olufsen, which has been granted the respective patent, and Vance Dickason characterizes the new Wavecor WF211PA01 8.25" woofer and the Faital Pro 10PR330 10" woofer, both suitable for PA systems and professional applications. Finally, there's an updated industry directory of Headphone Test & Measurement Equipment.
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Room EQ Wizard (REW) - Looking Back on Audio Measurement Software History
May 22, 2024 by Philipp Paul Klose

Room EQ Wizard (REW) - Looking Back on Audio Measurement Software History

This article revisits 20 years of Room EQ Wizard (REW), one of the mainstays in the audio measurement tool landscape with a strong user base. What started out as a side project for John Mulcahy, the creator and only developer, evolved to become a very complete and useful suite for both enthusiasts and professionals - a comprehensive set of measurement software tools bundled in a free package. This entertaining history of REW is also a fit way to commemorate the software's 20th anniversary.
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Fresh From the Bench: Listen SoundCheck and AmpConnect 621 Audio and Acoustics Test Suite
May 8, 2024 by Rens Tellers

Fresh From the Bench: Listen SoundCheck and AmpConnect 621 Audio and Acoustics Test Suite

The latest version of Listen's flagship audio test software, SoundCheck 21, allowed audioXpress to review also the latest Listen AmpConnect 621 USB-controlled multichannel audio test interface. The innovative algorithms and increased measurement capabilities of this powerful and flexible software, together with the AmpConnect 621 analyzer, combines all the functionality required for audio testing in the lab bench or in the production line. This article was originally published in audioXpress, March 2024.
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