She is new to my office and the job but not the company. Her reputation preceeds her - she has an incredibly loud voice which she uses to talk over everybody, having a conversation with her is impossible. I can mostly avoid conversations with her but on the occasion were I have to talk to her or she is talking to someone else in the room or when she is on the phone (worst of all, the volume doubles) I cannot concentrate and eventually the strain gives me a headache. I can't work out if she is just plain ignorant/selfish or if she has some sort of hidden problem (she has facial tics e.g.lots of blinking.) Either way I cannot work in a room with her and last week ended up abandoning my desk and going into another room. Has anyone got a clue how to deal with this other than me changing my hours (am part-time so this is possible)?