code: def PESQ(ref_wav, deg_wav):
      rate = 16000
      return pesq(rate, ref_wav, deg_wav, "wb")
  
file_path: speechbrain/recipes/Voicebank/MTL/ASR_enhance/composite_eval.py
imports: from scipy.linalg import toeplitz
  from tqdm import tqdm
  from pesq import pesq
  import librosa
  import numpy
  import os
  import sys
label_desc: Use image node_id 4 for calling a global function with example usage: PESQ(ref_wav, deg_wav) and returns: pesq