Digital Filter Design Software
This page lists digital filter design software tools for DSP. Tools are categorized as Commercial, Open-Source, Freeware, or Web-Based.
Commercial Filter Design Software
Commercial filter design software tools generally have more capabilities than their open/free counterparts, making them more productive to use.
| Program | Description / Notes |
|---|---|
| ScopeFIR | By: Iowegian International
Corporation (dspGuru's parent company) For: Windows We may be biased, but we think ScopeFIR is the very best FIR filter design program available. ScopeFIR designs FIR filters using the Parks-McClellan method, as well as several other popular FIR filter design methods. Its highly refined, multi-window graphical user interface (including multi-level zooming!) makes it very productive to use. And it provides a large number features to help you fully analyze and customize your filter design. Best of all, ScopeFIR costs only $199, which also makes it the best value in professional-quality FIR filter design software. If ScopeFIR saves even a few hours of your time (as we believe it will!), it will quickly pay for itself. ScopeFIR has a 60-day free trial period, so we encourage you to try it for yourself by downloading it from the Iowegian web site. |
| QEDesign | By: Momentum Data Systems For: Windows and Unix |
| Fiwiz | By: Rainer Storn For: Java |
Open Source
"Open Source" is simply software whose source code is publicly available. (See our "OpenDSP" section for additional open and/or free DSP software. Also, if you're looking for filter design "routines" rather than filter design "applications", be sure to see Charles Poynton's Filter Design Software page.)
| Program | Description / Notes |
|---|---|
| Meteor | By: Weimin Liu For: Windows This is the "Meteor" program for constraint-based FIR design by Steiglitz/Parks/Kaiser, wrapped inside a Windows GUI. Pascal and C source code for the Meteor algorithm is provided; code for the GUI isn't. |
Freeware
"Freeware" is software which is free of charge, but whose source is not available.
| Program | Description / Notes |
|---|---|
| DISPRO | Digital filter design and simulation software for DOS. |
Web-Based
Here are some filter design applications which can be used interactively from the Internet.
| Name | By | Notes |
|---|---|---|
| Interactive Digital Filter Design | Tony Fisher | Source code is provided. |
| CSMA Filter Designer | University of Westminster | Provides few options. |
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