class:: BRZ2
summary:: Two zero fixed midcut.
related:: Classes/BPZ2, Classes/HPZ2, Classes/LPZ2
categories::  UGens>Filters>Linear


Description::

A special case fixed filter. Implements the formula:

code::
out(i) = 0.5 * (in(i) + in(i - 2)).
::


This filter cuts out frequencies around ½ of the Nyquist frequency.


classmethods::

method::ar, kr

argument::in

The input signal.


Examples::

code::
//Compare:

{ WhiteNoise.ar(0.25) }.play;

{ BRZ2.ar(WhiteNoise.ar(0.25)) }.play;
::