def _get_audio_bit_rate(self, audio_abs_path):
        """
        Parameters
        -----------
        audio_abs_path : str

        Returns
        -------
        bit_rate : int
        """
        bit_Rate_formatted = subprocess.check_output(
            """sox --i {} | grep "{}" | awk -F " : " '{{print $2}}'""".format(
                audio_abs_path, "Bit Rate"),
            shell=True, universal_newlines=True).rstrip()
        bit_rate = (lambda x:
                    int(x[:-1]) * 10 ** 3 if x[-1].lower() == "k" else
                    int(x[:-1]) * 10 ** 6 if x[-1].lower() == "m" else
                    int(x[:-1]) * 10 ** 9 if x[-1].lower() == "g" else
                    int(x))(bit_Rate_formatted)
        return bit_rate