All items tagged with test and measurement (386)

AES Announces New AES75 Standard for Loudspeaker Performance Measurement

March 22, 2022 by audioXpress Staff

AES Announces New AES75 Standard for Loudspeaker Performance Measurement

More than three years past since M-Noise was proposed as a new test signal for standardized measurement of a loudspeaker system’s maximum linear output, the Audio Engineering Society has announced the adoption and publication of AES75-2022, “AES standard for acoustics - Measuring loudspeaker maximum linear sound levels using noise.” The new standard addresses the need for a practical and cohesive procedure for the prediction of loudspeaker performance.

Echo Test + Measurement - Specifically Made for Audio Testing!

March 21, 2022 by Joao Martins

Echo Test + Measurement - Specifically Made for Audio Testing!

audioXpress March 2022 Test and Measurement issue addresses the latest tools and solutions meeting real-world challenges in audio. This year's extensive Market Update report, offers a complete overview of all the audio test and measurement products and solutions released during the past 12 months. One of the major highlights was Echo Test + Measurement, with its modular, and highly cost-effective range of audio test interface solutions.

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.

HEAD acoustics Expands VoCAS Speech Recognition Testing Software

February 11, 2022 by audioXpress Staff

HEAD acoustics Expands VoCAS Speech Recognition Testing Software

HEAD acoustics continues to perfect measurement and analysis solutions in the field of speech and communication quality, expanding from a vast range of hardware platforms and tools - including its HMS II.3 fullband artificial head - all the way to dedicated software that adjusts to the quickly-evolving needs in this field. The German company continues to expand VoCAS, a sophisticated software tool for performance evaluation of automatic speech recognizers, addressing real life conditions in the lab.

NTi Audio Introduces AI for Noise Classification and Updates for XL2 Sound Level Meter

January 20, 2022 by audioXpress Staff

NTi Audio Introduces AI for Noise Classification and Updates for XL2 Sound Level Meter

NTi Audio continues to expand its range of leading test and measurement solutions for acoustics, audio and vibration applications. The company has recently moved to new headquarters, and expanded its development team, accelerating development of software for its range of products. This includes adding artificial intelligence (AI) analysis and Noise Classification for its NoiseScout noise monitoring solution, or improving the features for its popular XL2 Sound Level Meter.

Klippel KA3 Modules — Time Frequency Analysis

January 19, 2022 by Vance Dickason

Klippel KA3 Modules — Time Frequency Analysis

While Voice Coil Test Bench reviews only make use of the Large Signal Identification (LSI) data from the Klippel analyzer, the reality is that there is an amazing list of 30 modules available for the KA3 that are seriously valuable for transducer and system development. As space permits, I will be covering a number of these modules in future issue of Voice Coil. The first module in this series is the Time Frequency Analysis (TFA) module. This article was originally published in Voice Coil, October 2021

HEAD acoustics Increases Audio Measurement and Analysis Flexibility with ACQUA 5.0.100 Software

January 17, 2022 by Joao Martins

HEAD acoustics Increases Audio Measurement and Analysis Flexibility with ACQUA 5.0.100 Software

ACQUA 5.0.100 is the first iteration of the new generation of the well-established measurement and analysis software ACQUA from HEAD acoustics. ACQUA's significantly reworked software structure provides even greater flexibility for voice and audio quality evaluation, while paving the way for future expansions. Designed for the requirements in applications as diverse as communication systems, Bluetooth, ANC headphones, or smart speakers, ACQUA now supports faster hardware configuration, perceived loudness analysis, and MDAQS audio quality evaluation.

PHABRIX Manufactures 8000th Handheld Signal Test Unit

January 12, 2022 by Joao Martins

PHABRIX Manufactures 8000th Handheld Signal Test Unit

PHABRIX, the manufacturer of video and audio broadcast Test and Measurement instruments that was acquired by Leader Electronics in 2019, announced that the 8000th of its Sx handheld unit is about to roll off the company’s production line. This significant milestone helps cement the brand's position as the broadcast industry’s most popular test and measurement device despite only being launched not even 14 years ago.

Tektronix Enhances 5 Series Mixed Signal Oscilloscope

January 11, 2022 by audioXpress Staff

Tektronix Enhances 5 Series Mixed Signal Oscilloscope

Tektronix announced the launch of its newest version of the acclaimed 5 Series mixed-signal oscilloscope (MSO). With numerous enhancements, including added support for power integrity testing and for debug and validation, the 5 Series MSO delivers even more versatility while continuing to provide high-fidelity waveforms, unique spectrum analysis capabilities and flexible signal access appreciated by engineers around the world.

AT&S and SevenBel Make Sound Field Noise Sources Visible

January 4, 2022 by Joao Martins

AT&S and SevenBel Make Sound Field Noise Sources Visible

Austrian start-up SevenBel has developed a method to make noise sources visible, enabling engineers to prevent undesirable noise in buildings or devices. The company's Sound Scanner acoustic camera solutions have been developed for these applications, combining a rotating sensor unit, a mobile app, and a cloud service. High-tech printed circuit boards from Austria Technologie & Systemtechnik (AT&S) are part of the sensor units that make this affordable noise measurement solution possible.

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