All items tagged with test and measurement (395)

Testing Headphones and Earphones

May 18, 2016 by Mike Klasco

Testing Headphones and Earphones

audioXpress March 2016 issue focused on Test and Measurement and featured an exclusive review of a new very important device for the audio industry. In this article, Mike Klasco discusses the new G.R.A.S. 43BB Low-Noise Ear Simulator, which enables to test headphones, earphones, and hearing aid devices with an extended bandwidth, up to 20 kHz. This is an industry first and the new G.R.A.S. 43BB solution will be of great interest globally.

Oscium Releases WiPry 5x Cross-Platform Dual-Band Spectrum Analyzer

May 18, 2016 by audioXpress Staff

Oscium Releases WiPry 5x Cross-Platform Dual-Band Spectrum Analyzer

Oscium announced the WiPry 5x, a dual-band spectrum analyzer solution that visualizes all spectral activity on both 2.4 and 5 GHz on both iOS and Android devices. Oscium’s WiPry 5x is an hardware plug-in accessory that makes possible to identify and avoid interferences and optimize wireless connectivity, directly from a smartphone or tablet. A portable tool perfect for field techs, wireless professionals, and home audio enthusiasts setting up wireless audio networks.

Keysight Introduces Comprehensive Transmitter Testing Software for USB 3.1 Type-C Designs

May 11, 2016 by audioXpress Staff

Keysight Introduces Comprehensive Transmitter Testing Software for USB 3.1 Type-C Designs

Keysight Technologies introduced the U7243B USB 3.1 transmitter performance validation and compliance test software. The test software allows authorized test centers to test USB 3.1 Gen2 SuperSpeed Plus 10 Gbps devices with Type-C implementations and gives in-house test and performance validation engineers the tools to ensure devices comply with the USB 3.1 Gen2 Type-C specification.

Test and Measurement: “I Can Hear It. Why Can’t I Measure It?”

April 2, 2016 by Dan Foley

Test and Measurement: “I Can Hear It. Why Can’t I Measure It?”

Dan Foley discusses how audible distortion can be difficult to measure and explores the instrumentation noise floor’s impact on what can be measured. As he explains, this is an overlooked contributor for the reason we are not able to measure a particular audible “distortion,” especially with low sound pressure level (SPL) signals. This article was originally published in audioXpress, March 2016 - Focus on Test & Measurement Special issue.

Audio Precision Showcases Key Audio Test Applications at Prolight+Sound 2016

March 9, 2016 by audioXpress Staff

Audio Precision Showcases Key Audio Test Applications at Prolight+Sound 2016

Audio Precision are once again exhibiting at Prolight+Sound, which runs from April 5-8 in Frankfurt, Germany. Planned application demonstrations during the show include enhanced electro-acoustic and production testing setups, testing Dante-enabled systems, and measuring high-performance amplifiers, ADCs and DACs. The company will also demonstrate its latest software release.

Rohde & Schwarz Introduces new RF and Audio Tests on Bluetooth Modules plus Enhanced Voice Service Codec for CMW500

February 22, 2016 by audioXpress Staff

Rohde & Schwarz Introduces new RF and Audio Tests on Bluetooth Modules plus Enhanced Voice Service Codec for CMW500

At the Mobile World Congress 2016 in Barcelona, Rohde & Schwarz introduced new RF and audio multistandard test solutions for manufacturers of Bluetooth headsets and audio car kits, and added the enhanced VoLTE voice service codec to its R&S CMW500. The R&S CMW500 is the only test platform on the market to offer a one-instrument solution for testing all cellular and non-cellular standards and Bluetooth.

Focus on Test & Measurement and Download audioXpress March 2016 Now!

February 17, 2016 by audioXpress Staff

Focus on Test & Measurement and Download audioXpress March 2016 Now!

“I Can Hear It. Why Can’t I Measure It?” is the title of an excellent article written by Dan Foley and featured in this month’s issue. It could also be the slogan for our audioXpress March 2016 issue, which focuses on Test and Measurement. We tried to combine reviews, and practical and theoretical perspectives for this issue. Download it now!

Mobile Audio: High-Performance Audio from Smartphones?

January 27, 2016 by Mike Klasco and Steve Tatarunis

Mobile Audio: High-Performance Audio from Smartphones?

In November 2015, audioXpress published a unique group testing on smartphone audio playback, focused on audio circuit quality and the performance of the playback DAC, as intended for wired headphone listening. The products under review included the iconic iPod classic, the iPhone 5s, the iPhone 6, Vivo Xplay 3S, Vivo X5 Max, HTC One M8, Samsung Galaxy S5, and Sony Xperia Z2.

Keysight Technologies Updates Step-by-Step Guide for USB Type-C Connector and Cable Assembly Compliance Testing

December 17, 2015 by audioXpress Staff

Keysight Technologies Updates Step-by-Step Guide for USB Type-C Connector and Cable Assembly Compliance Testing

Keysight Technologies announced the availability of a newly updated Method of Implementation (MOI) document for cable and connector assembly compliance tests defined in Rev. 1.1 of the USB Type-C specification and Rev. 1.0 of the USB Type-C Compliance Test Specification (CTS). The step-by-step document provides measurement procedures for compliance testing USB Type-C cables and connectors in the time and frequency domains, using the ENA Network Analyzer.

Keysight Technologies Introduces USB Type-C Protocol Trigger, Decode Software

December 4, 2015 by audioXpress Staff

Keysight Technologies Introduces USB Type-C Protocol Trigger, Decode Software

Keysight Technologies introduced the industry’s first oscilloscope-based USB-PD (Power Delivery) protocol decoder software with real-time triggering and protocol decode performance. The Keysight N8837A USB-PD protocol trigger and decode software provides unique protocol decoder performance that enables engineers to verify and debug Type-C interfaces that implement USB-PD.

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