Sound/Vibration Measurement Software tests noise frequency response.
October 6, 2009 -
NI Sound and Vibration Measurement Suite 2009 features continuous frequency sweep virtual instrument, which performs frequency response and total harmonic distortion tests and analyzes residue signal of device under test. Software also features AES17-compliant audio filter VI for LabVIEW, as well as LabVIEW VIs which contain octave analysis, frequency analysis, and order tracking. Included NI Sound and Vibration Assistant 2009 helps acquire, analyze, and log acoustic/noise/vibration data.
National Instruments Announces Enhanced Sound and Vibration Software for Noise Frequency Response Analysis
Sound and Vibration Measurement Suite 2009 Reduces Time for Noise Frequency Response Tests
AUSTIN, Texas, Sept. 29, 2009 / / - National Instruments (NASDAQ:NATI) today 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-analog 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 analyzed to characterize 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, analyzing 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.
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Contacts:
General Information:
Ernest Martinez
USA
Phone: 800-258-7022 Company Information: Name: National Instruments Corp. Address: 11500 North Mopac Expwy. City: Austin State: TX ZIP: 78759-3504 Country: USA Phone: 888-217-7186 FAX: 512-683-8411 http://www.ni.com/
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