Hi Amanda,
I actually prefer the male voice myself from the v.4.0, but Avast decided to go with the female voice instead. If you do a forum “search,” you will find that there are ways to change the voice by adding the older v.4.0 male voice. As for the volume, you could try changing your setting in the main GUI to “Turn game mode ON” while you are watching a movie; just remember to turn it off when you are done to see if this helps.