Enhanced Sound and Vibration Software

Sept. 30, 2009 – National Instruments (Nasdaq: NATI) has announced the release of the NI Sound and Vibration Measurement Suite 2009, a comprehensive collection of analysis and signal processing tools for noise, vibration and harshness (NVH), machine condition monitoring and audio test applications. The Sound and Vibration Measurement Suite 2009 features a new continuous frequency sweep virtual instrument (VI) that greatly reduces the time it takes for engineers and scientists to perform frequency response tests. The software suite also includes a new AES17-compliant audio filter VI for the National Instruments LabVIEW graphical development environment and the NI Sound and Vibration Assistant that provides the correct frequency filters for testing audio devices that take advantage of digital-to-analogue conversion technology.

The continuous frequency sweep VI can perform frequency response and total harmonic distortion tests in one-tenth of the time traditional swept-sine approaches take. This function makes it possible for engineers and scientists to easily shift between the time and frequency domains, providing the ability to move beyond using fast Fourier transform (FFT) in signal analysis. Along with increasing the speed of test, the continuous frequency sweep makes it possible for new signals, such as a device under test residue signal, to be analysed to characterise the response without stimulus signal interference.

In addition to the new AES17-compliant audio filter and continuous frequency sweep VIs, the LabVIEW VIs in the Sound and Vibration Measurement Suite contain octave analysis, frequency analysis and order tracking for automotive, military and aerospace and mechanical and structural designs. The measurement suite also includes the NI Sound and Vibration Assistant 2009, a stand-alone application for quickly acquiring, analysing and logging acoustic, noise and vibration data. The latest version of the Sound and Vibration Assistant features enhancements to the user interface to provide easy tachometer setup and support for using eddy current probes for displacement measurements. Engineers and scientists quickly and efficiently can get their applications started with the configuration-based Sound and Vibration Assistant or with the more than 50 ready-to-run LabVIEW example code bases included in the Sound and Vibration Measurement Suite 2009.

Readers can visit www.ni.com/soundandvibration for more information on the NI Sound and Vibration Measurement Suite 2009 and solutions for noise frequency response analysis. Additionally, readers can access the NI USB Noise, Vibration and Harshness System bundle on www.ni.com to assemble and purchase a custom system for their specific NVH applications.

About National Instruments
National Instruments (www.ni.com) is transforming the way engineers and scientists design, prototype and deploy systems for measurement, automation and embedded applications. NI empowers customers with off-the-shelf software such as NI LabVIEW and modular cost-effective hardware, and sells to a broad base of more than 30,000 different companies worldwide, with no one customer representing more than 3 percent of revenue and no one industry representing more than 15 percent of revenue. Headquartered in Austin, Texas, NI has more than 5,000 employees and direct operations in more than 40 countries. For the past 10 years, FORTUNE magazine has named NI one of the 100 best companies to work for in America. Readers can obtain investment information from the company’s investor relations department by calling (512) 683-5090, e-mailing nati@ni.com or visiting www.ni.com/nati.

Pricing and Contact Information

NI Sound and Vibration Measurement Suite 2009
 Measurement House, Newbury Business Park, Newbury, Berkshire RG14 2PS
 
Priced* from £3,099; €3,699
 Tel: (01635) 523 545, Fax: (01635) 523154  
 
Web: www.ni.com/soundandvibration
 E-mail: info.uk@ni.com; info.ie@ni.com 
 
* All prices are subject to change without notice.
LabVIEW, National Instruments, NI and ni.com are trademarks of National Instruments. Other product and company names listed are trademarks or trade names of their respective companies.

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