class library: SynthDef - lazy implementation of removeUGen
[supercollider.git] / HelpSource / Classes / BRZ2.schelp
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1 class:: BRZ2
2 summary:: Two zero fixed midcut.
3 related:: Classes/BPZ2, Classes/HPZ2, Classes/LPZ2
4 categories::  UGens>Filters>Linear
7 Description::
9 A special case fixed filter. Implements the formula:
11 formula::
12 out(i) = 0.5 * (in(i) + in(i - 2)).
16 This filter cuts out frequencies around ½ of the Nyquist frequency.
19 classmethods::
21 method::ar, kr
23 argument::in
25 The input signal.
28 Examples::
30 code::
31 //Compare:
33 { WhiteNoise.ar(0.25) }.play;
35 { BRZ2.ar(WhiteNoise.ar(0.25)) }.play;