All items tagged with test and measurement (387)

PCB Piezotronics Introduces New Phantom Powered Preamplifier Design for Audio Measurements

April 28, 2017 by audioXpress Staff

PCB Piezotronics Introduces New Phantom Powered Preamplifier Design for Audio Measurements

A new, patent pending, universal preamplifier from PCB Piezotronics, reduces project costs by allowing users to interchange multiple test microphone cartridges to meet unique testing requirements. Model 426A14 adapts to any IEC 61094-4 compliant, prepolarized microphone for use in loudspeaker design, microphone and amplifier modeling, and live sound or high definition recording applications.

Ed Okorn Joins G.R.A.S Sound & Vibration as General Manager for North America

April 14, 2017 by audioXpress Staff

Ed Okorn Joins G.R.A.S Sound & Vibration as General Manager for North America

G.R.A.S. Sound & Vibration announced the appointment of Ed Okorn as General Manager for North America. The world-renowned manufacturer of high-quality measurement microphones and related acoustic equipment, based in Denmark, hopes to expand their market share in North America and strengthen business relationships with clients and technology partners in the region.

Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements

April 13, 2017 by Stuart Yaniger

Practical Test & Measurement: Sound Cards for Data Acquisition in Audio Measurements

Part 1 of an article series that looks at some of the available options and methods to create a low-cost system (emphasis on “low-cost”) for lab-grade audio electronics measurements. Focusing on solutions within easy reach of budget-conscience hobbyists, the goal is to demonstrate how you can generate useful data, similar to the graphs and charts in the audio review magazines, but without the expense. A great test and measurement article series by Stuart Yaniger, which started to be originally published in audioXpress, June 2015.

3PASS flex: New Background Noise Simulation System for Multi-Microphone Arrangements

April 11, 2017 by audioXpress Staff

3PASS flex: New Background Noise Simulation System for Multi-Microphone Arrangements

3PASS flex is HEAD acoustics new simulation system for measuring speech quality performance in the presence of background noise. It is particularly suited for testing multi-microphone systems, microphone arrays or beamforming microphones in real world conditions where multi-point noise simulation with flexible microphone and loudspeaker arrays is required. 3PASS flex reproduces any previously recorded sound field at distinct microphone positions, representative of typical use cases.

Fresh From The Bench: Audio Precision APx1701 Transducer Interface

April 5, 2017 by Stuart Yaniger

Fresh From The Bench: Audio Precision APx1701 Transducer Interface

audioXpress March 2017 featured a thorough review by Stuart Yaniger of Audio Precision’s new APx1701 Transducer Interface. This compact solution, when combined with an APx500-series analyzer, creates a test center suitable for measuring speakers, headphones, and microphones, as well as electronics. As Stuart Yaniger finds out, the combination of the APx1701, an APx515 and APx500 software, provides an extremely comprehensive and convenient multi-functional measurement test center.

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B&K Precision Expands Bench LCR Meter Family with 500 kHz and 1 MHz Models

March 24, 2017 by audioXpress Staff

B&K Precision Expands Bench LCR Meter Family with 500 kHz and 1 MHz Models

B&K Precision continues to deliver on its promise of delivering reliable and cost-effective test and measurement instruments and announced the expansion of its bench LCR meter family with the addition of two new models that extend the family's test frequencies up to 1 MHz. B&K Precision's new 894 and 895 bench LCR meters provide test frequencies from 20 Hz to 500 kHz and 20 Hz to 1 MHz, respectively, and can measure inductance, capacitance and resistance with 0.05% basic impedance accuracy.

Teledyne LeCroy Announces New Bluetooth 5 Development and Conformance Solutions

March 23, 2017 by audioXpress Staff

Teledyne LeCroy Announces New Bluetooth 5 Development and Conformance Solutions

Teledyne LeCroy, a leading company in Bluetooth protocol analysis and testing services, announced the development of a Bluetooth Conformance Tester for verifying conformance of Bluetooth low energy link layer and HCI implementations and also announced availability of the Frontline Sodera LE Analyzer supporting Bluetooth 5. Both solutions complement Teledyne's Audio Expert System audio quality tool set for resolving audio issues related to the Bluetooth protocol.

NTi Audio Announces Sound Insulation PC Software and Updated Sound Level Measurement Report for XL2

March 10, 2017 by audioXpress Staff

NTi Audio Announces Sound Insulation PC Software and Updated Sound Level Measurement Report for XL2

NTi Audio launched a new professional software package for determining the sound insulation of buildings measured with its XL2 Sound Level Meter. The “Sound Insulation Reporter” PC software generates simple yet detailed sound measurement reports that comply with existing standards, ideal for acoustic consultants. The newly-designed SLM Reporting Tool presents the results of measurements recorded with the XL2 in a flexible measurement report.

Keysight Technologies Introduces Ultra-Low Cost InfiniiVision 1000 X-Series Oscilloscopes

March 9, 2017 by audioXpress Staff

Keysight Technologies Introduces Ultra-Low Cost InfiniiVision 1000 X-Series Oscilloscopes

Under the banner "Scrap the toys, get a real oscilloscope", Keysight announced availability of its new InfiniiVision 1000 X-Series 50 to 100 MHz oscilloscopes, with professional-level functionalities and software analysis. Ideal for students and electronic enthusiasts, the oscilloscopes deliver industry-leading software analysis and 6-in-1 instrument integration, including a built-in frequency response analyzer with Bode plotting.

Bruel & Kjaer Introduces Binaural Microphone Recording Solution

March 7, 2017 by audioXpress Staff

Bruel & Kjaer Introduces Binaural Microphone Recording Solution

With virtual reality, augmented reality and a renewed interest in binaural audio recording for broadcast and new media applications, the audio industry has recently seen several product announcements in the field from leading manufacturers. Now the Danish test and measurement specialists, Bruel & Kjaer, have announced a new binaural microphone set, which will be presented for the first time at CanJam SoCal, April 8-9, 2017.

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