All items tagged with test and measurement (405)
NTi Audio Co-Founder and CEO Philipp Schwizer Retires
April 27, 2023 by audioXpress Staff

NTi Audio Co-Founder and CEO Philipp Schwizer Retires

NTi Audio has announced the retirement of its long-serving CEO, Philipp Schwizer, effective April 30, 2023. After a successful period of over two decades, Schwizer has decided to step down from his role and enjoy a well-deserved retirement. Philipp Schwizer founded NTi Audio in 2000, through a management buyout of the Audio Measurement Division of Neutrik AG. After nine years of operation NTI AG changed its name to NTi Audio AG (New Technologies in Audio).
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Practical Test & Measurement: The Proof Is in the Testing
April 18, 2023 by Adran Lara Moreno and Christian Bellmann

Practical Test & Measurement: The Proof Is in the Testing

The Klippel Near Field Scanner System (NFS) was used for the critical testing and measurement of Holoplot's X1 Matrix Array compensation algorithm capabilities. All our readers who have appreciated the story of the development of the unique Holoplot technology, published in the September 2022 issue of audioXpress, will enjoy reading about how Klippel and Holoplot worked to overcome frequency absorption and gain reduction challenges that resulted from the need to conceal the X1 systems behind an acoustically semi-transparent projection panel.
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Fresh From the Bench: Echo AIO - A Cost-Effective Audio Test System
April 12, 2023 by Stuart Yaniger

Fresh From the Bench: Echo AIO - A Cost-Effective Audio Test System

Headquartered in Santa Barbara, CA, Echo Test + Measurement is a little company with a big impact on audio test and measurement. As many large consumer electronics companies started using its AudioFire studio sound cards for production line testing, Echo designed a highly cost-effective, modular range of USB-based audio test interface solutions, which Stuart Yaniger had the opportunity to evaluate. He completed a series of tests and shares his experiences with the new Echo AIO modular audio test system.
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Get Connected to Speaker Intelligence in Voice Coil April 2023
March 29, 2023 by audioXpress Staff

Get Connected to Speaker Intelligence in Voice Coil April 2023

The April 2023 issue of Voice Coil reveals the genesis of Echo Test + Measurement and its AIO Test System. As scheduled, there's an updated industry directory of Cable and Connector vendors, James Croft reviews a key Polk Audio patent that expands on its Polk SDA loudspeaker prior art now in a more compact enclosure. And on Test Bench, Vance Dickason focus on the characterization of the innovative TW045WA01 dual-diaphragm tweeter from Wavecor.
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Test Chambers for Accurate and Repeatable Measurements: The New Normal Even for Unique Projects
March 23, 2023 by Geoff Hill

Test Chambers for Accurate and Repeatable Measurements: The New Normal Even for Unique Projects

Hill Acoustics was approached by a company with an interesting problem. To accurately acquire measurements from a prototype that had an array of microphones to detect music coming from various angles of incidence and needed to operate over the full audio frequency range. Having seen Hill Acoustics' Tetrahedral Test Chambers and the results they could deliver, could Hill Acoustics help with this challenge?
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Hearables, Headphones Testing, Audio Electronics, and More in audioXpress April 2023
March 10, 2023 by audioXpress Staff

Hearables, Headphones Testing, Audio Electronics, and More in audioXpress April 2023

Want to understand what's ahead in the most revolutionary audio product category of the 21st century? Read the State of the Hearables Industry Market Update. And for product developers and manufacturers, there's also a Headphones Test and Measurement report. Burkhard Vogel discusses op-amp noise in simulated models, Bruce E. Gillingham offers a complete monoblock power amplifier project, and René Christensen writes about acoustic topology optimization. And so much more....
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Interested in a Consistent Testing Solution For Bluetooth Headphones? Join this Webinar April 5, 2023
March 9, 2023 by audioXpress Staff

Interested in a Consistent Testing Solution For Bluetooth Headphones? Join this Webinar April 5, 2023

The Audio Product Development Alliance (APDA), dedicated to improving the knowledge and skills of professionals involved in the development of audio products, in partnership with ALTI Association, present a webinar titled: "A Simplified Testing Solution for Bluetooth Headphones - Consistent and Accurate Production Line Results." April 5, 2023 - 9:00 AM Pacific - (12:00 PM Eastern). Registration is now open
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Listen Announces SoundCheck Version 21 and New Portable Dual-Channel Audio Interface
March 6, 2023 by audioXpress Staff

Listen Announces SoundCheck Version 21 and New Portable Dual-Channel Audio Interface

Listen released SoundCheck 21, the latest version of its flagship audio test software. The update includes a new enhanced Loose Particles algorithm for transient distortion measurements in a wide range of devices. It also offers increased measurement capability with the new multichannel FFT analyzer. SoundCheck 21 also introduces support for AudioConnect 2, Listen’s new compact and high resolution (up to 192kHz sampling rate) two-channel audio interface.
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New Klippel Endurance Testing (KET) Available with Winter 2023 Klippel Software Update
February 21, 2023 by Joao Martins

New Klippel Endurance Testing (KET) Available with Winter 2023 Klippel Software Update

A completely new approach to long-term testing is now available as part of the latest Klippel dB-Lab Version 212 and QC 7 software. The update for the Klippel Analyzer System - free of charge for all users running dB-Lab 212 or QC7 - introduces two new pre-release modules and a new Online Help System for both R&D and QC. The main new module is the Klippel Endurance Testing (KET) and the second is a Nonlinear Residual Analyzer (NRL) tool dedicated to measuring any audio playback device with arbitrary signals such as music or speech.
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GRAS Launches EQ 40PM EQset Miniature Production Line Measurement Microphone
February 15, 2023 by audioXpress Staff

GRAS Launches EQ 40PM EQset Miniature Production Line Measurement Microphone

GRAS Sound & Vibration announced a new miniature production line microphone, which is the first with the recently announced GRAS EQset technology designed to reduce the risk of measurement errors. The new EQ 40PM EQset, a short 20kHz pressure microphone with a dynamic range from 30dB (A) to 120dB, and the same dimensions as traditional Production Line microphones, is aimed at increasing efficiency and improving test accuracy in the consumer audio and telecom space.
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