BPZ2 two zero fixed midpass
Inherits from: Object : AbstractFunction : UGen : Filter : LPZ2
BPZ2.ar(in, mul, add)
BPZ2.kr(in, mul, add)
A special case fixed filter. Implements the formula:
out(i) = 0.5 * (in(i) - in(i-2))
This filter cuts out 0 Hz and the Nyquist frequency.
Compare:
{ WhiteNoise.ar(0.25) }.play;
{ BPZ2.ar(WhiteNoise.ar(0.25)) }.play;