The noise from the next-door neighbour is no longer strange to me -> I am .....

I am unfazed by the noise from the next-door neighbour.

I am familiar with the noise from the next-door neighbour.

I am no longer surprised by the noise from the next-door neighbour.

I am used to the noise from the next-door neighbour now.

I am accustomed to the noise from the next-door neighbour.