(
name: 'fft_freeze',
func: {
  | buf |
  var in = In.ar(buf, 1);
  var isOn = \freezeGate.kr(0);
  var chain = FFT(
    LocalBuf(2048),
    in
  );

  var frozen = PV_Freeze(chain, isOn);
  var jittered = PV_PhaseShift(frozen, \phaseJitter.kr(0) * TRand.kr(0, 2pi) * isOn);
  var sig = IFFT(jittered);

  sig;
},
inChannels: 1,
outChannels: 1,
requiresBuffer: true,
specs: (
  freezeGate: [0, 1, \step, 1, 0],
  phaseJitter: [0, 1, \lin, 0.01, 0.1],
),
)