Function iSndVolUpdate

src/SB/Core/gc/iSnd.cpp:689–701

        return -0x388;
    }
    else
    {
        return MIN(i, 0);
    }
}

void iSndCalcVol(xSndVoiceInfo* vp, vinfo* info)
{
    S32 vol = iVolFromX(vp->vol * gSnd.categoryVolFader[vp->category]);

    info->x10 = vol;
    info->x14 = vol;
    info->x18 = 0x40;
    info->x1c = 0x40;
    MIXAdjustFader(info->voice, vol - MIXGetFader(info->voice));
    MIXAdjustPan(info->voice, 0x40 - MIXGetPan(info->voice));