NEW SOFTWARE SUITE GIVES USERS READY-TO-RUN SIGNAL PROCESSING CAPABILITIES

Users Save More than $800 When Purchasing Software Suite

Austin, Texas -- Aug. 22, 1995 -- National Instruments -- the Virtual
Instrumentation Company -- announced today a new software suite that gives
users ready-to-run signal processing capabilities for Windows PCs and
Macintosh computers. The Signal Processing Suite includes the Digital
Filter Design Toolkit, for interactively designing digital filters; the
Third-Octave Analyzer Toolkit, for third-octave analysis; the newly
updated Joint Time-Frequency Analysis (JTFA) Toolkit, for analyzing
nonstationary signals that vary with time; and the VirtualBenchDSA, a
dynamic signal analyzer virtual instrument (VI). Users can purchase each
of these toolkits separately, or save more than $800 by purchasing the
Signal Processing Suite. Scientists and engineers can use the Signal
Processing Suite as stand-alone applications or with programming
environments such as LabVIEW, LabWindows/CVI, and Visual Basic in diverse
applications such as acoustics, analog telephony, radar, sonar,
seismology, remote sensing, instrumentation, and vibration analysis.

About the Signal Processing Suite

The Digital Filter Design Toolkit, Third-Octave Analyzer Toolkit, JTFA
Toolkit, and VirtualBenchDSA all run as stand-alone VIs and are compatible
with National Instruments data acquisition (DAQ) hardware. The Signal
Processing Suite includes readily customized utilities such as LabVIEW VI
libraries, Windows Dynamic Link Libraries (DLLs); Windows executable
applications; and LabVIEW, LabWindows/CVI, and Visual Basic examples.

The Digital Filter Design Toolkit is a ready-to-run application for
interactively designing finite and infinite impulse response filters. It
creates a filter coefficient file that is compatible with the LabVIEW
digital filtering VIs and LabWindows/CVI digital filtering functions.
System developers can use its DLLs with other Windows applications, such
as Visual Basic, for analyzing and filtering.

The Third-Octave Analyzer Toolkit is a ready-to-run application for
third-octave analysis. It includes a LabVIEW VI that users can customize
and modify. It also features an instrument driver, function panel, and
LabWindows/CVI example. System developers can use its DLLs with other
Windows applications, such as Visual Basic, for analyzing and filtering.
Users can combine the Third-Octave Analyzer Toolkit and DAQ hardware to
measure and analyze noise, vibration, and acoustic signals.

The JTFA Toolkit enhances computer-based signal processing on nonstationary
signals. The newly announced version includes additional DAQ hardware
capability, save-to-disk features, and analysis capabilities for creating
custom transforms. The JTFA Toolkit features VI libraries that LabVIEW
users can customize and modify. It includes the award-winning and patented
Gabor Spectrogram, a JTFA algorithm designed for precise analysis of data
whose frequency content changes over time.

The VirtualBenchDSA is a dynamic signal analyzer VI featuring the
capabilities of stand-alone DSA instruments. It features an easy-to-use
GUI that simplifies the measurement of frequency response, power spectrum,
amplitude spectrum, coherence, transient capture, cross spectrum, and THD.
Users can combine the VirtualBenchDSA and dynamic signal acquisition
boards in applications involving electronic filters and networks, audio
frequency communications equipment, machine vibration, transducers such as
accelerometers and hydrophones, resonances in mechanical structures, or
acoustic tests. Other applications include the measurement of transient
signals or the spectra of low-frequency signals such as speech or
mechanical vibration.

System Requirements

The Signal Processing Suite is available on PCs with Windows 3.1 or
Macintosh/Power Macintosh running System 7 or higher. All toolkits require
platforms with a floating-point coprocessor and 8 MB RAM.

About National Instruments

National Instruments, headquartered in Austin, Texas, manufactures software
and hardware products for PCs and workstations that scientists and
engineers worldwide use to build virtual instrumentation systems. These
systems are used for research and industrial applications such as
automated testing, laboratory automation, advanced research, industrial
control, factory automation, physiological monitoring, numerical analysis,
and data visualization.

National Instruments stock is traded on the NASDAQ National Market System
under the symbol NATI. Further information on National Instruments may be
obtained from the company's SEC filings or by directly contacting the
company's Investor Relations Department at (512) 338-9119.

For more information, contact
National Instruments
6504 Bridge Point Parkway
Austin, Texas 78730-5039
(512)-794-0100

Or call toll free in the U.S. and Canada at (800) 433-3488, fax (512)
794-8411, email: info@natinst.com. Readers can also access information and
demonstration software through the National Instruments
'InstrumentationWeb' at http://www.natinst.com/
 
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