def get_P_Elc_audio_microsystem_with_md_standby(P_Elc_audio_microsystem_with_md_standby_rtd):
    """待機時の消費電力を計算する
    
    Parameters
    ----------
    P_Elc_audio_microsystem_with_md_standby_rtd : float
        定格消費電力, W

    Returns
    ----------
    P_Elc_audio_microsystem_with_md_standby : float
        聴取時消費電力, W
    """
        
    P_Elc_audio_microsystem_with_md_standby = \
        P_Elc_audio_microsystem_with_md_standby_rtd
        
    return P_Elc_audio_microsystem_with_md_standby