Take a look at the last page here: https://cytomic.com/files/dsp/SvfLinearTrapOptimised2.pdf
You’ll see all filter derivations including HP&BP using the same technique.
Take a look at the last page here: https://cytomic.com/files/dsp/SvfLinearTrapOptimised2.pdf
You’ll see all filter derivations including HP&BP using the same technique.