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

        Returns
        -------
        total_seconds : int
        """
        HHMMSS_duration = subprocess.check_output(
            ("""sox --i {} | grep "{}" | awk -F " : " '{{print $2}}' | """
             """grep -oh "^[^=]*" """).format(
                audio_abs_path, "Duration"),
            shell=True, universal_newlines=True).rstrip()
        total_seconds = sum(
            [float(x) * 60 ** (2 - i)
             for i, x in enumerate(HHMMSS_duration.split(":"))])
        return total_seconds