Tools That Fast-Track You To DSP Solutions



Sketch-a-Filt File Assembly & Purchase Page



  • Please proceed to purchase Sketch-a-Filt only if you definitely have access to its dependency software: MATLAB® (version 7.5 [that is , Release R2007b] up though version 9.8 [that is, Release R2020a] ) and Signal Processing ToolboxTM, both available from The MathWorks Inc.


  • Once the form below is completed and the "MAKE my ZIP file" button is pressed, a yellow PayPal "Buy Now" pushbutton will appear at the bottom of this page. Press that to pay while your ZIP file is being assembled. (You do not need a PayPal account to make a credit card transaction).


  • After payment of US$ 89, you will be presented with a Download File link to press for receiving your single copy of Sketch-a-Filt for usage under Personal License.


  • File assembly and download normally takes under 10 minutes. Please be prepared to KEEP THIS BROWSER OPEN until download completes and you have confirmed safe receipt of the .ZIP file you are purchasing.


  • The data requested in the two editboxes below is required for operational purposes by DSP Creations Limited, and will not be communicated to any other party or organization. Your copy of Sketch-a-Filt will only work with the MATLAB installation having the License Number nominated below:

Proceed to "Buy Now" button at bottom of page!

MATLAB License Number:
You can see this by typing ver in the MATLAB command line.

Your Email Address:
Needed to send you a backup download link and for
establishing a purchase reference in case of difficulties.
Please keep a record of your License Number and the
Email Address you used.

(You Are Purchasing Sketch-a-Filt)