This is machine translation

Translated by Microsoft
Mouseover text to see original. Click the button below to return to the English version of the page.

Note: This page has been translated by MathWorks. Click here to see
To view all translated materials including this page, select Country from the country navigator on the bottom of this page.

Filter Designer

Design filters starting with algorithm selection


The Filter Designer app enables you to design and analyze digital filters. You can also import and modify existing filter designs.

If the DSP System Toolbox™ product is installed, Filter Designer integrates advanced filter design methods and the ability to quantize filters. For more information, see the DSP System Toolbox documentation.


This app requires a screen resolution greater than 640 × 480.

Open the Filter Designer App

  • MATLAB® Toolstrip: On the Apps tab, under Signal Processing and Communications, click the app icon.

  • Enter filterDesigner in the MATLAB command prompt.

Introduced before R2006a