All items tagged with test and measurement (405)

June 10, 2022 by audioXpress Staff

GRAS Announces Standardization of RA0252 Coupler According to IEC Standard 60318-8:2022

GRAS Sound & Vibration announced that its line of production line tools for high-frequency measurements now includes the only 0.4cc couplers that follow the most recent IEC standards, offering a cost-efficient validation tool in the frequency range up to 16 kHz that adheres to standards. The latest IEC standard 60318-8:2022 describes an acoustic coupler for loading a hearing aid or insert earphone with a specified acoustic impedance when testing its acoustic performance, in the frequency range up to 16 kHz.

NTi Audio Expands Solutions for Monitoring Bass Frequencies and Manage Live Sound Compliance

May 31, 2022 by audioXpress Staff

NTi Audio Expands Solutions for Monitoring Bass Frequencies and Manage Live Sound Compliance

After two years with concerts severely restricted due to the global pandemic, music lovers are expected to attend events in large numbers over the coming months. Successfully managing the noise impact from music events is key to encouraging future events. NTi Audio just updated its NoiseScout noise monitoring system to offer live display of the all-important low frequency components of music as well as all the usual broadband parameters.

Noise and Vibration Expert Jacques Burillier Joins NTi Audio

May 27, 2022 by Joao Martins

Noise and Vibration Expert Jacques Burillier Joins NTi Audio

NTi Audio, a leading manufacturer of test and measurement solutions for acoustics, audio and vibration applications, announce the appointment of Jacques Burillier as International Business Development Manager. According to the Luxembourg-based company, this appointment marks a milestone in NTi Audio's journey, intended to propel the group into the first league of Noise and Vibration solutions providers. Burillier joins NTi after 23 years working in this field.

HEAD acoustics Offers Sound Measurements with HoloMetrix Augmented Reality

May 26, 2022 by Joao Martins

HEAD acoustics Offers Sound Measurements with HoloMetrix Augmented Reality

HEAD acoustics announced a new interesting integration of an Augmented Reality (AR) solution from German startup HoloMetrix to enable highly efficient sound power and sound intensity measurements. The integration with HEAD acoustics Artemis SUITE allows the creation of sound intensity maps for fast source localization, with assistance functions that guide the user through the measurements and offer automatic quality checks with acoustic or visual feedback.

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.

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.

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.

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.

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.

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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