class_docstr: Get an embedding from the instrument one-hot.
code: def compute_z(self, one_hot):
      return self.embedding(one_hot)
  
imports: import ddsp
  from ddsp import spectral_ops
  from ddsp.training import nn
  import gin
  import tensorflow.compat.v2
label_desc: Use image node_id 3 for calling the OneHotEncoder obj's underlying member method code with example usage: obj.compute_z(one_hot) and returns: self