All items tagged with test and measurement (401)
Build a Sound Level Meter and Spectrum Analyzer
June 3, 2015 by Ron Tipton

Build a Sound Level Meter and Spectrum Analyzer

Ron Tipton explains how he built his sound level meter and spectrum analyzer, the Model 527, around a Velleman Audio Analyzer kit (K8098). This is a barebones kit with no enclosure or power supply, but for the price, it is very versatile. Originally published in audioxpress, December 2013.
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iSEMcon Acoustic new iSEMic Measurement Microphone Now Available
May 28, 2015 by audioXpress Staff

iSEMcon Acoustic new iSEMic Measurement Microphone Now Available

Following earlier presentations at the most important audio industry trade shows, iSEMcon Acoustic confirmed the availability of its ¼“ iSEMic 725TR microphone series and accessories. Purposely designed, the 725TR is supply and signal voltage compatible with iPhone, iPad, as well as other mobile devices, including laptop computers and phantom powered pro audio equipment.
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SuperMegaUltraGroovy Announces FuzzMeasure 4 Redesigned For OS X Yosemite
May 27, 2015 by audioXpress Staff

SuperMegaUltraGroovy Announces FuzzMeasure 4 Redesigned For OS X Yosemite

From the same brilliant software company that created TapeDeck (probably the best software audio recorder ever designed for the Mac), SuperMegaUltraGroovy just announced the release of FuzzMeasure 4 professional audio and acoustic measurement software, now updated for Mac OS X Yosemite and much improved.
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Audio Precision Appoints Jayant Datta as New Chief Technology Officer
May 26, 2015 by audioXpress Staff

Audio Precision Appoints Jayant Datta as New Chief Technology Officer

Audio Precision announced the appointment of Jayant Datta as Chief Technology Officer, with responsibilities that will focus on the organization’s technology strategy, product platform evolution, and innovation efforts. In his role as CTO, Datta will collaborate closely with Tom Kite, Ph.D., VP of Engineering, and Bruce Hofer, Co-Founder and Chief Analog Engineer.
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SmartScope: Get your own open-source oscilloscope!
May 22, 2015 by audioXpress Staff

SmartScope: Get your own open-source oscilloscope!

Following a very successful crowdsourcing campaign on KickStarter, LabNation started a new oscilloscope revolution with the introduction of the SmartScope, an open-source measurement device at an affordable price. The device works with OS X, Linux, Windows, Android and iOS (jailbroken).
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NTi Audio Introduces Advanced RT60 Reverb Measurements and Low Frequency Noise Assessment with the XL2
May 20, 2015 by audioXpress Staff

NTi Audio Introduces Advanced RT60 Reverb Measurements and Low Frequency Noise Assessment with the XL2

The XL2 Sound Level Meter now measures reverberation time using the T30 method, a free enhancement in line with the current ISO3382 standard. NTi Audio also announced that its Data Explorer PC software for the XL2 now includes professional tools for detailed analysis of low-frequency noise (LFN).
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Tektronix Introduces Solutions for Education, Entry-Level Test
May 14, 2015 by audioXpress Staff

Tektronix Introduces Solutions for Education, Entry-Level Test

Tektronix announced a complete network-based lab instrument management solution for education. The new AFG1022 Arbitrary/Function Generator integrates with TekSmartLab, a new solution to improve the teaching and learning experience, with centralized management of up to 400 Instruments and allowing students to retrieve test results with smartphones.
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The Best of Audio Electronics in audioXpress June 2015, Now Online!
May 13, 2015 by audioXpress Staff

The Best of Audio Electronics in audioXpress June 2015, Now Online!

June 2015 is – we have to say it – undoubtedly one of the most diverse and interesting issues we have put together. The magazine has something for everyone and lots of great content we are certain will be greatly appreciated by our community. Discover the “outside-the-box” thinking that resulted in one of the most interesting loudspeaker designs in recent times and much more.
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Easy Testing of Class-D Amplifiers with NTi Audio
May 13, 2015 by audioXpress Staff

Easy Testing of Class-D Amplifiers with NTi Audio

Measuring audio parameters on Class-D (or switching) amplifiers can be difficult because of high-frequency noise produced at the output stage. NTi Audio solves this by filtering out these unwanted noise components with the FX100 Audio Analyzer plug-in module filter, providing reliable test measurement of class-D amplifiers.
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Acoustic Diffraction: Does It Matter?
January 14, 2015 by James Moriyasu

Acoustic Diffraction: Does It Matter?

An excellent article from the audioXpress archive, published originally in February 2003, James Moriyasu offers a complete study examining speaker cabinet edge diffraction and what we can do to reduce it. The author attempts to measure the extent of acoustic edge diffraction and test possible solutions for reducing its levels
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