All items tagged with test and measurement (385)

HEAD acoustics Announces Fully Automated Testing of Voice-Controlled Smart Home Devices

December 13, 2018 by audioXpress Staff

HEAD acoustics Announces Fully Automated Testing of Voice-Controlled Smart Home Devices

With HQS-SmartHome the measurement technology specialist HEAD acoustics provides a new tool for testing communication and audio quality of voice-controlled smart home devices. The database for the ACQUA analysis system contains efficient test series for analyzing and optimizing smart speakers, speakerphones and conferencing devices. HQS-SmartHome (HEAD acoustics Quality Standard) offers a wide range of realistic and reproducible measurements and simulations for research and development phase up to production.

Advanced Test Methods for Improving ANC Headphone Performance

December 5, 2018 by Hans W. Gierlich

Advanced Test Methods for Improving ANC Headphone Performance

From speaker practice and theory, this article on advanced test methods for improving Active Noise Cancellation (ANC) headphone performance attempts to gain better data to draw stronger conclusions about the ANC performance and is a must-read for product developers and anyone interesting in learning how to evaluate those systems. This article was originally published in audioXpress, October 2018.

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HEAD acoustics Introduces HQS-Audio for Comprehensive Testing of Loudspeakers, Headphones and Audio Systems in Vehicles

November 28, 2018 by audioXpress Staff

HEAD acoustics Introduces HQS-Audio for Comprehensive Testing of Loudspeakers, Headphones and Audio Systems in Vehicles

HEAD acoustics, one of the world's leading companies in the field of voice and audio quality optimization, introduced HQS-Audio, a new tool for its ACQUA analysis system that provides whole set of targeted electroacoustic measurements and helps to comprehensively test the quality of audio devices. Whether loudspeakers, headphones, or audio systems in vehicles, HQS-Audio provides independent test runs for each application, consisting of various electroacoustic measurements, including Thiele-Small parameters.

USB Oscilloscopes: A Look at the LabNation SmartScope

November 21, 2018 by Ethan Winer

USB Oscilloscopes: A Look at the LabNation SmartScope

When Ethan Winer found himself in need of an oscilloscope, he turned to the Internet for advice and ended up selecting LabNation’s SmartScope. Described by its makers as “the oscilloscope of the new generation” the device, originally funded by a Kickstarter campaign, is targeted at makers and hobbyists, as well as professional engineers. In his review, Winer explains why this digital oscilloscope, signal generator — analog and digital — and eight-channel logic analyzer from LabNation turned out to be perfect solution for his needs.

Application Note: All You Need to Know About Loudspeaker Electroacoustic Measurements

November 7, 2018 by audioXpress Staff

Application Note: All You Need to Know About Loudspeaker Electroacoustic Measurements

This 33-page application note provides an overview of the key electroacoustic measurements used to characterize the performance of loudspeaker drive units and loudspeaker systems, focusing on the most important objective measurements and referring to industry standards for guidance. Download the Audio Precision application note now!

Tektronix Redefines the Arbitrary/Function Generator with New AFG31000 Series

October 25, 2018 by audioXpress Staff

Tektronix Redefines the Arbitrary/Function Generator with New AFG31000 Series

Tektronix announced its new AFG31000 arbitrary/function generator (AFG), which the company says it redefines the category with a completely new design and many key firsts including the industry’s largest touchscreen and a new user interface that allows users to generate increasingly complex test cases for debugging, troubleshooting, characterizing and validating devices under test. Tektronix will be demonstrating the new AFG31000 series for the first time at the Electronica tradeshow in November in Munich, Germany.

Listen Releases SoundCheck 16.1 with New Frequency Trigger for Open Loop Testing

October 5, 2018 by audioXpress Staff

Listen Releases SoundCheck 16.1 with New Frequency Trigger for Open Loop Testing

The audio measurement specialists at Listen announced the release of SoundCheck 16.1. This minor software release contains nevertheless some exciting new features for all developers and manufacturers working with connected audio devices, providing a test routine for smart speakers and other voice-controlled devices such as smartphones, robots, automotive audio, smart thermostats, hearables and more. The new software is available free of charge to all registered users of SoundCheck 16.0.

Schiit Audio Acquires 6th AverLAB Analyzer

September 20, 2018 by audioXpress Staff

Schiit Audio Acquires 6th AverLAB Analyzer

Schiit Audio may be a funny name but this company is very serious about personal audio devices. From multi-bit DACs to amplifiers, equalizers and other accessories they’ve made quite a reputation for high-performance products in a small package at an affordable price. Over the last eight years, Schiit Audio has developed a devoted fan base for their great sounding products and for their unique sense of humor that starts with their name.

Audio Precision to Expand Audio Measurement Possibilities at 145th International AES Convention

September 12, 2018 by audioXpress Staff

Audio Precision to Expand Audio Measurement Possibilities at 145th International AES Convention

Audio Precision confirmed its planned contributions to the 145th International AES Convention happening in New York. AP’s participation in this key industry event includes both the technical program and the exhibition. The company will present a paper on how to measure audio when clocks differ and will conduct demonstration on open-loop testing. AES attendees can check out the latest in audio test or discuss their specific application with the AP team in Demo Suite #1E01.

Spotlight: A Visit to SoundChip

September 12, 2018 by Mike Klasco

Spotlight: A Visit to SoundChip

In this Voice Coil Spotlight, Mike Klasco writes about SoundChip, a unique solution provider for active noise cancellation product engineering. SoundChip operates not as consultants but as solution providers and collaborators, enabling product development teams to access a vertically integrated portfolio of technologies, IPs, devices, tools, and services, needed to reliably develop and produce, at scale, high-performance noise cancelling headphones. This article was originally published in Voice Coil, July 2018.

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