Bethesda Game Studios made the announcement on Twitter, saying how their many years of voice recording have finally finished, ending with over 111,000 lines, more than Fallout 3 and Skyrim combined!
— BethesdaGameStudios (@BethesdaStudios) September 3, 2015
This is probably helped on hugely by the number of dialogue options that appear in the game, including having your character actually speak, unlike previous games. The butler can also call you a variety of names, from Mr. Matthew to Mr. Fuckface.
Fallout 4 will be releasing on November 10th, for PlayStation, PC and Xbox One, releasing with a pile of features we never done seen before in a Fallout game.