code: def PESQ(ref_wav, deg_wav, sample_rate):
      """Compute PESQ score."""
      psq_mode = "wb" if sample_rate == 16000 else "nb"
      return pesq(sample_rate, ref_wav, deg_wav, psq_mode)
  
file_path: speechbrain/recipes/DNS/enhancement/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, sample_rate) and returns: pesq