always add -no_delay_cmp for IVAS JBM

            rend_cfg_file = self.render_config_dir.joinpath(f"{rend_cfg_name}.wav.cfg")

            cmd.extend(["-render_config", rend_cfg_file])

        if self.dec_opts:

            cmd.extend(self.dec_opts)

        # add -voip cmdline option to the decoder

        if voip:

            cmd.extend(

                ["-voip", "-Tracefile", f"{str(out_file).split('.')[0]}.tracefile.csv"]

            )

        if self.dec_opts:

            cmd.extend(self.dec_opts)

        if voip and "-no_delay_cmp" not in cmd:

            cmd.extend(["-no_delay_cmp"])

        # use quiet mode

        cmd.extend(["-q"])