Originally Posted by BatmanBeyond
I always took that particular sound effect as a sort of snarl. I think it's got to do with Bane playing with Bats during the first fight...in the moments preceding Bane's jump and turn, Batman is practically pointlessly punching him away. I always took that jump/spin as a sort of "Enough of this nonsense/****!" moment. Bane has had enough of Bats' weak attempts at fighting him and finally proceeds to truly beat the crap out of him.
Yep. That's exactly what it is. It's the first moment in the fight where we come to know that Bruce is done....