(
name: 'fft_freeze_follow',
func: {
  var sig = 0;
  var in = In.ar(\in.kr(0), 1);
  var amp = Amplitude.kr(in, \atk.kr(0.01), \rel.kr(0.1));
  var gate = \freezeGate.kr(0);
  var chain = FFT(LocalBuf(2048), in);

  chain = PV_Freeze(chain, amp > \ampGate.kr(0.00001));
  sig = IFFT(chain) * gate;
  Normalizer.ar(sig, \normLevel.kr(0.5), \normDur.kr(0.03));
},
inChannels: 1,
outChannels: 2,
requiresBuffer: true,
usePan: true,
panning: \pan,
useSaturation: false,
specs: (
  freezeGate: [0, 1, \step, 1, 0],
  ampGate: [0, 1, \lin, 0.0001, 0.00001],
  atk: [0.001, 1, \exp, 0.001, 0.01],
  rel: [0.001, 2, \exp, 0.001, 0.1],
  normLevel: [0.05, 1, \lin, 0.01, 0.5],
  normDur: [0.01, 0.5, \lin, 0.01, 0.03],
),
)