I also think those weird images that people see when TV's are on and there is a bunch of white noise on the screen, and then a face flashes on the screen, or you see a bunch of weird people for a split second. Now that is pretty darn scary if you ask me.
I have spent alot of time listening to EVP's and if you ask me, this is a real phenomenon. I've reviewed alot of them and the one I am placing below is the most convincing one I have heard. I'm not sure about all the details but see for yourself and see what you think.