I have 40+ videos that I have on a external hard drive for my PS3... THey all work and fine. But often i find with these videos, peoples voices are so low that I need to crank up the audio big time. Does anyone know of a good program(s) that can normalize these videos in batch or atleast individually? Its got several different audio (& video types). Of course want to do this without converting files (to of course keep quality the same). I would GREATLY Appreciate any help with this! I have AVI files in: MP4 & AAC XVID & MP3 XVID & AC3 M2TS: all in... H.264 & AC3 MP4: all in... H.264 & AAC Sorry if this is asking a bit much... just not good with this stuff.