All items tagged with test and measurement (411)
Audio Precision Enables A2B Multichannel Audio Test
December 14, 2017 by audioXpress Staff

Audio Precision Enables A2B Multichannel Audio Test

Audio Precision announced support for multichannel audio performance testing of A2B systems and components in collaboration with Mentor, a Siemens business. The new software release for APx500 audio analyzers, supports connectivity with Mentor’s A2B Analyzer to deliver closed-loop, multichannel A2B audio testing. Following a technology demonstration at the AES 2017 International Conference on Automotive Audio in San Francisco, the solution is now available.
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HEAD acoustics Introduces High-Precision HRT I Measurement Turntable
November 24, 2017 by audioXpress Staff

HEAD acoustics Introduces High-Precision HRT I Measurement Turntable

HEAD acoustics launched the HRT I (HEAD acoustics Remote-operated Turntable), a high-precision turntable allowing users to perform automated, orientation-dependent acoustic measurements. The rotation unit of the turntable offers a 360-degree rotation range, which can be approached in 0.1-degree steps, allowing manual or automated measurements.
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The Rheintacho Stroboscope Shaking Test for Quality Control
November 24, 2017 by audioXpress Staff

The Rheintacho Stroboscope Shaking Test for Quality Control

Rheintacho Messtechnik proposes a practical solution for vibration quality control tests with a portable stroboscope solution, using its RT STROBE qbLED series. The German company specializes in highly efficient solutions wherever speed must be measured, monitored or indicated. Its portable stroboscope range allows non-contact checking of electrical and mechanical components on a vibrating table, in a safe way.
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GRAS Sound & Vibration Announces High Resolution Ear Simulator for Reliable Measurements of Headphones and Earphones up to 20 kHz
November 8, 2017 by audioXpress Staff

GRAS Sound & Vibration Announces High Resolution Ear Simulator for Reliable Measurements of Headphones and Earphones up to 20 kHz

GRAS Sound & Vibration, the world-renowned manufacturer of high quality measurement microphones and related acoustic equipment, announced the availability of a new, High Resolution Ear Simulator designed specifically to meet the need for reliable and repeatable measurements of personal audio devices at high frequencies. An ideal solution for development of in-ear as well as supra- and circumaural headphones.
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miniDSP Announces "EARS" Earphone Audio Response System Calibrated Test Jig for Headphone Measurements
November 7, 2017 by audioXpress Staff

miniDSP Announces "EARS" Earphone Audio Response System Calibrated Test Jig for Headphone Measurements

Those amazing minds at miniDSP never cease to surprise us. Now miniDSP has turned its attention to the headphone market and introduced "EARS", an Earphone Audio Response System calibrated test jig for headphone measurements. Basically, a plug&play USB audio streaming device, featuring dual low noise calibrated mics with interchangeable silicon ears. Add the new miniDSP HA-DSP DSP headphone amplifier, and users have an accurate way to tune headphones to perfection.
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AverLAB Audio Analyzer by Avermetrics is Now Shipping
November 2, 2017 by audioXpress Staff

AverLAB Audio Analyzer by Avermetrics is Now Shipping

An innovator in audio and electronic production test systems since 2011, Avermetrics has now begun shipments of its new AverLAB portable audio analyzer, opening a completely new application segment for the company. AverLAB is the first audio analyzer to natively support both Mac and Windows computers and, at just $3000, it offers a level of features and performance that was previously only attainable at triple the price.
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NTi Audio Offers Professional Noise and Sound Power Reports with the XL2 Sound Level Meter
October 31, 2017 by audioXpress Staff

NTi Audio Offers Professional Noise and Sound Power Reports with the XL2 Sound Level Meter

Providing reports that look professional and contain detailed relevant information is a must for any professional noise and acoustic consultant. The powerful Data Explorer Software from NTi Audio provides such reports using data acquired directly from the XL2 Sound Level Meter. The Sound Power Reporter PC software now completes the essential tools needed for sound power measurements by evaluating and reporting on the measured data recorded with the XL2.
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New Generation of Brüel & Kjær’s High-frequency Head and Torso Simulator
October 19, 2017 by audioXpress Staff

New Generation of Brüel & Kjær’s High-frequency Head and Torso Simulator

In response to the trend towards high-quality audio in mobile phones and the increasing popularity of headphones and headsets for communication and entertainment, Brüel & Kjær has developed the new High-frequency Head and Torso Simulator (HATS) Type 5128. The new HATS was shown for the first time in public at the 143rd AES convention in New York. The improved version of the “green man” will open a new world of opportunity for the audio industry.
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GRAS Sound & Vibration Announces New 146AE Rugged Microphone Designed to Perform Under Harshest Conditions
October 19, 2017 by audioXpress Staff

GRAS Sound & Vibration Announces New 146AE Rugged Microphone Designed to Perform Under Harshest Conditions

GRAS Sound & Vibration introduced a new, extra durable, high-performance measurement microphone. Designed with the automotive industry in mind, because of its ruggedness, the new GRAS 146AE may have appeal to many industries. The new measurement microphone is shock-resistant, waterproof, dust- and oil-resistant and able to withstand extreme high or low temperatures – all without compromising measurement quality.
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Fundamentals of Headphone Electroacoustic Measurements
October 16, 2017 by audioXpress Staff

Fundamentals of Headphone Electroacoustic Measurements

Due to the close coupling of earphones to the ears and the acoustic transmission paths involved, headphone measurements are complicated. This 26-page application note discusses these challenges, headphone types, measurement standards, headphone acoustics, acoustic test fixtures required for measuring headphones, and the practical aspects of headphone measurements. An overview of the key electroacoustic measurements used to characterize the audio quality of headphones and earphones is also provided.
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