code: def forward(self, x):
      x = F.relu(self.batchNorm0(self.conv0(x)))
      x = F.relu(self.batchNorm1(self.conv1(x)))
      x = F.relu(self.batchNorm2(self.conv2(x)))
      x = F.relu(self.batchNorm3(self.conv3(x)))
      x = F.relu(self.batchNorm4(self.conv4(x)))
      return x
  
imports: import soundfile
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 3 for calling the CPCEncoder obj's underlying member method code with example usage: obj.forward(x) and returns: x