Slightly [OT]: interactive learning resource on IIR and FIR filters

Learning Resources
1

For the maths enclined. Nothing to see if you don’t like them :wink:

http://demofox.org/DSPIIR/IIR.html

http://demofox.org/DSPIIR/IIR.html

They have a blog post to explain what is happening. For my case, the maths bore me to hell, but I find the interactive demos a fun thing to mess around with and test filter coeffs.