I download a brrip AC3 audio movie

I recently the hulk brrip ac3 movies around here.
this is my first time downloading one of these movies, and i need help.
When playing the movie I can only here like sound effects (eg: blasts, gunshots, roars…)
but the voices and dialouge… i cant. It sounds really low, do i need to configure something? or whats the deal.
btw, im using KM player
thanks.
Answer #1
Please?
Answer #2
you are probably missing some codec. look for a codec pack in the appz forum.