After playing COD for some years, i recently started on Black Ops.

What surprises me, is how people know where you are, especially when you don`t shoot/move. They even find your precise location inside a building.

Now i am familiar with the radar in the previous COD games and the enemy only shows up on the radar when they fire their gun. I havent noticed enemy soldiers on MY radar in B.O. when they dont shoot, but THEY seem to know where i am................so, is this different than in the previous COD games