code: def _get_audio_sample_bit(self, audio_abs_path):
          
          sample_bit = int(
             subprocess.check_output(
                 ("""sox --i {} | grep "{}" | awk -F " : " '{{print $2}}' | """
                  """grep -oh "^[^-]*" """).format(audio_abs_path, "Precision"),
                 shell=True, universal_newlines=True).rstrip())
          return sample_bit
docs: Parameters
          ----------
          audio_abs_path : str
  
          Returns
          -------
          sample_bit : int