code: def human_readable_hyp_ref(self, dense_decoded, dense_y):
          
  
          hyps = []
          refs = []
          for i in range(len(dense_decoded)):
              ref = [phn_i for phn_i in dense_y[i] if phn_i != 0]
              hyp = [phn_i for phn_i in dense_decoded[i] if phn_i != 0]
              ref = self.corpus.indices_to_labels(ref)
              hyp = self.corpus.indices_to_labels(hyp)
              refs.append(ref)
              hyps.append(hyp)
  
          return hyps, refs
docs: Returns a human readable version of the hypothesis for manual
          inspection, along with the reference.