capacitive bandpass filter v1 1 0 file /tmp/test.wav snd(0 0 1.0 0 0 1.0) r1 1 2 200 c1 2 0 5u c2 2 3 1u rload 3 0 1k .sndparam /tmp/test-filter.wav 48000 wav24 1.0 0.0 1.0 .sndprint tran v(1) v(3) .tran 2.08333e-05 5.0 0 2.08333e-05 .op .end