All of a sudden, all the NPCs that engage dialogue with you from a distance (rather than walking towards you) do not voice their corresponding sounds.
Tracea Carol doesn't shout "Welcome to the awakening. Your souls shall feed the beast that comes." Sendai doesn't shout "Touch me not. You are unclean." Lamalha doesn't shout "Your end shall be quick if you let it." Narcillicus Harwilliger Neen doesn't shout "Ello, pal."