small changes in esdru

        )

    tmp_input_signal = input.audio

    tmp_output_signal = np.ones((48000, 2))

    with TemporaryDirectory() as tmp_dir:

        tmp_dir = Path(tmp_dir)

        # write temporary file

        write(tmp_input_file, tmp_input_signal, sf)

        write(tmp_output_file, tmp_output_signal, sf)

        # run command

        run(cmd)

        run(cmd, cwd=tmp_dir)

        tmp_output_signal, out_fs = read(tmp_output_file, 2, sf)