All items tagged with test and measurement (386)
Pico Technology Extends Range of PC-Based Mixed Signal Oscilloscopes
May 28, 2020 by audioXpress Staff

Pico Technology Extends Range of PC-Based Mixed Signal Oscilloscopes

Pico Technology announced the further development of its PicoScope 6000E Series oscilloscopes with the launch of three new 4-channel models, each of which can be configured with 16 optional digital channels. With bandwidths of 300 or 500 MHz, 8-bit or 8/10/12-bit Flexible Resolution and up to 4 GS deep capture memory, these products enhance the existing PicoScope 6000E portfolio, adding to the 8-channel models that were introduced earlier in the year.
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Practical Test & Measurement - Stop Worrying About Coupling Capacitors!
May 26, 2020 by Ethan Winer

Practical Test & Measurement - Stop Worrying About Coupling Capacitors!

Another great research article from Ethan Winer, where he designed a simple device that measures capacitor distortion using a USB sound card and free software to try and determine the importance of high-quality capacitors in the signal path. This article details the results of his tests with different capacitor types. This article was originally published in audioXpress, May 2020.
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Loudsoft Updates FINE R+D 2020 Acoustic Audio Analyzer System
May 20, 2020 by Joao Martins

Loudsoft Updates FINE R+D 2020 Acoustic Audio Analyzer System

Loudsoft's FINE R+D is an an acoustic measurement system for research and development of loudspeaker, headphone and microspeaker transducers and systems. The Danish company founded by Peter Larsen continues to expand and improve the possibilities of this Fast Fourier Transform (FFT) analyzer, packaged with a 1U rack hardware front-end, and popular for both R&D and Q&C applications. The updated FINE R+D 2020 solution now supports multi-microphone measurements with 3 microphones.
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Klippel Expands Managing Board with General Manager Appointment
May 20, 2020 by audioXpress Staff

Klippel Expands Managing Board with General Manager Appointment

Klippel GmbH, one of the global leading companies in the field of measurement technology for loudspeakers and audio systems, founded in 1997 by Dr. Wolfgang Klippel, announced that Benjamin Barth has been appointed general manager to its managing board. Barth has worked with Klippel for the past eight years and his appointment will allow Wolfgang Klippel to focus more on research and education, while the company aims to expand its portfolio of products and services.
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Purifi Audio Unveils Investigation About Hysteresis Distortion
April 30, 2020 by Jan Didden

Purifi Audio Unveils Investigation About Hysteresis Distortion

Purifi Audio, the Danish company founded by Bruno Putzeys, Lars Risbo, and Peter Lyngdorf together with a remarkable engineering team, promises Class D amplifiers with record-breaking performance (as well as speakers). Now, Bruno Putzeys made available a detailed report of his investigation on hysteresis distortion, which motivated the development of the company's products. As Putzeys describes, hysteresis in the ferromagnetic material of the amplifier output filter coil is what causes "a recognizable grainy texture in the sound."
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Listen Presents Working from Home with SoundCheck Video Series
April 23, 2020 by audioXpress Staff

Listen Presents Working from Home with SoundCheck Video Series

Recognizing that working from home, away from the audio lab, is restrictive for many audio engineers, the support team at Listen, Inc. has produced a series of videos outlining some of the things that users can do using SoundCheck without all their usual test hardware, enabling developers and audio engineers to be productive when working from home. The videos span from cleaning up test sequences, to exploring offline analysis, using the recall step, to learning the new SoundCheck 18 features and more.
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Fresh From the Bench: Dayton Audio Test System (DATS) V3
April 22, 2020 by David Logvin

Fresh From the Bench: Dayton Audio Test System (DATS) V3

After a decade of widespread use, the Dayton Audio Test System (DATS) has acquired an impressive reputation for fast and accurate testing. Now, Dayton Audio has taken the easy-to-use audio test system and improved it in almost every way when creating the DATS V3 Computer-Based Audio Component Test System. This is an ultraportable audio test system that provides a reliable method for collection of Thiele-Small parameters, loudspeaker measurements and component measurements. This article was originally published in audioXpress, March 2020.
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Audiomatica Releases CLIO 12.5 and CLIO Pocket 2.1 Analyzer Software
April 20, 2020 by audioXpress Staff

Audiomatica Releases CLIO 12.5 and CLIO Pocket 2.1 Analyzer Software

As many of its users already found out, audio test and measurement company Audiomatica has released a software update to its CLIO family of products with multiple new functions. CLIO 12.5 is dubbed by Audiomatica as "the next step forward" in the software, supporting and driving its existing FW-02 audio interface and ready to accommodate future developments. Operating system support has been extended to the latest Windows 10 (now supporting Secure Boot) and already offering 64-bit support.
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Fresh From the Bench: The Linear Audio Autoranger Mk II Measurement Interface
April 15, 2020 by Stuart Yaniger

Fresh From the Bench: The Linear Audio Autoranger Mk II Measurement Interface

Stuart Yaniger explores new possibilities in audio measurement systems, expanding on the basics of using sound cards combined with new accessible-to-all software tools, such as REW, and a recently improved measurement interface option. That option is the Linear Audio Autoranger Mk II Interface, which audioXpress’ Technical Editor Jan Didden designed a few years ago and which is now available as an improved Mk II version. This article was originally published in audioxpress, April 2020.
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High-Frequency Head and Torso Simulator (HATS) – Why?
April 2, 2020 by Special Content

High-Frequency Head and Torso Simulator (HATS) – Why?

The world of communication and entertainment is evolving and consumer expectations for audio quality continue to increase, and with it the requirements for improved test equipment that can accurately predict the perception of human hearing and speech. A head and torso simulator (HATS) is an objective measurement instrument with built-in, human-like ear and mouth simulators that provides a realistic reproduction of the acoustic properties of an average adult human.
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