// Token: 0x06000EF3 RID: 3827 RVA: 0x00084140 File Offset: 0x00082340
    private static void DmSoundSetVolumeBGM(float volume)
    {
        AppMain.GSS_MAIN_SYS_INFO gss_MAIN_SYS_INFO = AppMain.GsGetMainSysInfo();
        float num;

        if (volume != 0f)
        {
            num = volume / 10f;
        }
        else
        {
            num = 0f;
        }
        gss_MAIN_SYS_INFO.bgm_volume = num;
        GsSound.SetVolume(0, num);
    }