Needs to be called every frame.
enum eAudSpecialEffectMode
{
kSpecialEffectModeNormal = 0,
kSpecialEffectModeUnderwater = 1,
kSpecialEffectModeStoned = 2,
kSpecialEffectModePauseMenu = 3,
kSpecialEffectModeSlowMotion = 4,
kSpecialEffectModeDrunkStage01 = 5,
kSpecialEffectModeDrunkStage02 = 6,
kSpecialEffectModeDrunkStage03 = 7,
NUM_AUDSPECIALEFFECTMODE
};