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Press Release Summary:

Spectral Measurements, Order Analysis, and Sound and Vibration toolkits for LABView 7 enable users to analyze acquired data and create custom measurements. Analysis capabilities aid in sound and vibration analysis, statistics and mathematical operations, order analysis, and signal generation and simulation. They also help in time-and frequency-domain measurements, mask and limit testing, image and signal processing, and machine condition monitoring.

Original Press Release:

National Instruments Extends Analysis Capabilities for LabVIEW 7 Express in Sound and Vibration, Communications Applications

AUSTIN, Texas - NIWeek, Aug. 12, 2003 - National Instruments (Nasdaq: NATI) today announced three toolkits that extend virtual instrumentation by giving engineers the freedom to analyze their acquired data and create custom measurements to meet their application requirements. With the new Spectral Measurements Toolkit, the Order Analysis Toolkit and the Sound and Vibration Toolkit, engineers now can perform simple and complex measurements for communications, sound and vibration and machine condition monitoring applications.

The analysis capabilities of these toolkits complement the more than 400 functions and 16 new Express VIs for analysis, signal processing and mathematical functions available in the LabVIEW 7 Express graphical development environment. With this breadth and depth of analysis capability, LabVIEW users can now perform a wide variety of functions, including:

o Sound and Vibration Analysis
o Statistics and Mathematical Operations
o Order Analysis
o Signal Generation and Simulation
o Time-Domain and Frequency-Domain Measurements
o Mask and Limit Testing
o Image Processing
o Signal Processing
o Machine Condition Monitoring

For a complete list of analysis functions, visit

Engineers can use the analysis and signal processing functions available in LabVIEW to extract information from data. The new LabVIEW toolkits extend these general-purpose functions with VIs for specific application areas, such as sound and vibration analysis.

"The new Sound and Vibration Toolkit moves NI a significant step forward into audio and acoustic measurements," said Carsten Thomsen, division manager of DELTA. "I continue to be astounded at the ultralow noise, and wide dynamic range provided by PC-based instrumentation. The new swept sine test and distortion analysis in the toolkit coupled with NI hardware delivers very high dynamic range measurements with high speed."

In telecommunications applications, engineers now can use the new Spectral Measurements Toolkit to perform frequency-domain analysis and analog demodulation functions. It contains averaged, zoom and continuous FFT functions as well as common measurements such as peak power and frequency, adjacent channel power, power spectral density and occupied bandwidth. The toolkit is ideal for a variety of applications including testing mobile communications and designing 802.11 devices.

For sound and vibration applications such as machine condition monitoring and noise, vibration and harshness testing, the Order Analysis Toolkit expands standard order analysis functionality to include order extraction, order tracking and tachometer signal processing. With the new toolkit, engineers now have online order analysis, tacholess signal processing, flexible order spectrum selection and enhanced data presentation. In addition, the Sound and Vibration Toolkit extends LabVIEW with VIs and displays for use in applications involving sound and vibration analysis. It offers system calibration and performs frequency analysis, standards-compliant octave analysis, sound-level measurement and transient analysis.

Whether testing cell phones, characterizing RF devices or monitoring electric machinery, LabVIEW delivers a broad offering of sophisticated analysis capabilities that gives engineers the tools they need for signal acquisition and analysis in a tightly integrated environment.

About National Instruments
National Instruments ( is a technology pioneer and leader in virtual instrumentation - a revolutionary concept that has changed the way engineers and scientists approach measurement and automation. Leveraging the PC and its related technologies, virtual instrumentation increases productivity and lowers costs for customers worldwide through easy-to-integrate software, such as the NI LabVIEW graphical development environment, and modular hardware, such as PXI modules for data acquisition, instrument control and machine vision. Headquartered in Austin, Texas, NI has more than 3,000 employees and direct operations in 40 countries.

Readers may obtain investment information from the company's investor relations department at (512) 683-5090, by sending e-mail to or on the Web at

LabVIEW(TM), NI(TM) and are trademarks of National Instruments. Other product and company names listed are trademarks or trade names of their respective companies.

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