TwoPole

A two pole filter UGen. This provides lower level access to setting of pole location. For general purposes Resonz is better.

===Examples===

// static frequency
play { TwoPole.ar(WhiteNoise.ar(0.005), 2000, 0.95) }

// sweeping frequency
play { TwoPole.ar(WhiteNoise.ar(0.005), XLine.kr(800, 8000, 8), 0.95) }

// mouse controlled frequency
play { TwoPole.ar(WhiteNoise.ar(0.005), MouseX.kr(800, 8000, 1), 0.95) }