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- NI Signal Processing
This module is included inLens: Digital Signal Processing with NI LabVIEW and the National Instruments Platform
By: Sam ShearmanAs a part of collection:"Musical Signal Processing with LabVIEW (All Modules)"Click the "NI Signal Processing" link to see all content selected in this lens.
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Interactive Time-Varying Digital Filter in LabVIEW
Summary: A time-varying digital filter can easily be implemented in LabVIEW, and this module demonstrates the complete process necessary to develop a digital filter that operates in real-time and responds to parameter changes from the front panel controls. An audio demonstration of the finished result includes discussion of practical issues such as eliminating click noise in the output signal.
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This module refers to LabVIEW, a software development environment that features a graphical programming language. Please see the LabVIEW QuickStart Guide module for tutorials and documentation that will help you: |
| • Apply LabVIEW to Audio Signal Processing | |
| • Get started with LabVIEW | |
| • Obtain a fully-functional evaluation edition of LabVIEW |
Download the source code for the finished VI: filter_rt.vi.
Refer to TripleDisplay to install the
front-panel indicator used to view the signal spectrum.
 Figure 1:
[video] Building an interactive real-time digital filter in LabVIEW
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This work is licensed by Ed Doering. See the Creative Commons License about permission to reuse this material.
Last edited by Ross J. Reedstrom on Mar 18, 2008 9:42 am GMT-5.
"This online course covers signal processing concepts using music and audio to keep the subject relevant and interesting. Written by Prof. Ed Doering from the Rose-Hulman Institute of Technology, […]"