WAV Power Spectrum
This VI reads a WAV file. The power spectrum is computed for each data block, and the averaged power spectrum is returned.
This program is a shipping example VI included with the NI Sound and Vibration Measurement Suite and NI Sound and Vibration Toolkit.
This software is written in LabVIEW, a graphical programming language designed for scientists and engineers. For more information about LabVIEW, visit ni.com/labview.
Sound and Vibration Developers Library
The NI Sound and Vibration Developers Library is your one-stop online resource for learning about and downloading code for acoustic analysis, machine diagnostics and audio test functions. On this page, you will find links to detailed tutorials, application notes, example programs, and analysis function descriptions.
More information on National Instruments signal processing can be found at the Signal Processing Resource Center.
This is a picture of the VI's front panel. To view the block diagram and additional documentation, download the attached file.
Application Software: LabVIEW Full Development System 8.2
Driver: NI-DAQmx 8.3
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