(
  s.boot;
)

(
  {
    var freqCutoff = MouseX.kr(400, 2000);
    var ampl = MouseY.kr(0.1, 1.5);
    var out = LPF.ar(
      WhiteNoise.ar(mul: ampl),
      freq: freqCutoff
    );
    [out, out]
  }.scope
)