code: def shifted_sigmoid(x):
      "Computes the shifted sigmoid."
      return 1.2 / (1 + torch.exp(-(1 / 1.6) * x))
  
file_path: speechbrain/speechbrain/lobes/models/MetricGAN.py
imports: import torch
  import speechbrain
  from torch import nn
  from torch.nn.utils import spectral_norm
label_desc: Use image node_id 2 for calling a global function with example usage: shifted_sigmoid(x) and returns: unknown