My ability to interpret, not so great, when voices are in crowds.
I always had problems with dialog in movies so I'd turn it up, and then the car chase would be to loud.
This system gives me the dialog perfectly. One of the settings is to tell the AV system how far you sit from the speakers. You tell it number of feet, or you sit there with a microphone as it figures it out. It then adjust the volume for that position in the room.