code: def _get_audio_sample_rate(self, audio_abs_path):
          
          sample_rate = int(
             subprocess.check_output(
                 ("""sox --i {} | grep "{}" | awk -F " : " '{{print $2}}'"""
                  ).format(audio_abs_path, "Sample Rate"),
                 shell=True, universal_newlines=True).rstrip())
          return sample_rate
docs: Parameters
          ----------
          audio_abs_path : str
  
          Returns
          -------
          sample_rate : int