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 filterDesigner.


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