Repetitive noises and sounds can create a pattern of neurotransmitters that continue after the sound has ended. The injured brain does not have the ability to filter out this stimuli.

I am with you. I would end up in a threatening manner. The outburst is a common symptoms of PCS. Call you local animal control and keep calling until they train the dog. There are collars that shock the dog when it barks. Maybe animal control will suggest using one.