All items tagged with test and measurement (411)
Practical T&M: REST for Automated Test and Measurement
May 12, 2022 by Matt Taylor

Practical T&M: REST for Automated Test and Measurement

Adding a great perspective on the topic of test and measurement, in particular for production lines, this article makes the case for using web interfaces, and embrace web standards for automated testing of audio equipment. The founder of QuantAsylum advocates an open-design philosophy for controlling and querying things via REST, which stands for Representational State Transfer, a widely accepted set of guidelines for creating reliable web APIs and leveraging the know-how of millions of developers.
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Listen Releases SoundCheck 20 Audio Test Software Upgrade
May 4, 2022 by Joao Martins

Listen Releases SoundCheck 20 Audio Test Software Upgrade

The much anticipated SoundCheck 20 audio test software update is now released, and Listen is offering incentives to help users upgrade to the latest version.​​​​​ The motivations to upgrade are many, starting with the fact that SoundCheck 20 introduces Listen’s state-of-the-art perceptual distortion algorithm for end-of-line testing – Enhanced Perceptual Rub & Buzz. SoundCheck 20 also includes a host of new features for multichannel and communications testing.
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HEAD acoustics Proposes Multi-Dimensional Audio Quality Score as Standard Method for Audio Quality Assessment
April 22, 2022 by Joao Martins

HEAD acoustics Proposes Multi-Dimensional Audio Quality Score as Standard Method for Audio Quality Assessment

MDAQS or Multi-Dimensional Audio Quality Score, is a new binaural perception-based software tool that replaces human evaluation with novel metrics in the assessment of audio quality. This is a much needed approach for characterization of headphones, earphones, speakers, and any audio system, including automotive audio designs, researched, documented and validated by audio test and measurement company HEAD acoustics.
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Klippel Updates dB-Lab and QC Software with Improved Features for R&D and Production
April 4, 2022 by Joao Martins

Klippel Updates dB-Lab and QC Software with Improved Features for R&D and Production

Klippel has released a new software update for the Klippel Analyzer System with various new features for both R&D and QC applications. The most important updates include an improved Time Frequency Analysis (TFA) module, the official release for the QC 3D Spectrogram Limits (3DL) optional module for Quality Control (QC) testing, while adding Impedance (IMP) for T/S parameter testing and Motor + Suspension Check (MSC) tasks, among other features, to the QC Stand-alone software. The update is free of charge for all users running dB-Lab 212 or QC7.
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GRAS Launches New Configurations for GRAS 45CC Headphone Test Fixture
March 31, 2022 by audioXpress Staff

GRAS Launches New Configurations for GRAS 45CC Headphone Test Fixture

As the headphones market continues to grow, and more companies are working on frequency response correction and emulation for headphones, the requirements for reliable and calibrated test fixtures are also increasing. A recognized leader in the segment, GRAS Sound & Vibration has just launched new variations of its popular GRAS 45CC headphone test fixture, allowing for the incorporation of pinnae along with other new features.
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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.
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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.
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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.
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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.
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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.
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