Male Red Cardinal's crazy mating calls

[alan31]

I got male red cardinals coming up near my room outside, sitting in the tree about 20 feet away at 5am or 6am and they drive me so mad because they wake me up with their shrill high-pitched steel-piercing stupid mating calls.

A few days ago I put a computer speaker outside to control an MP3 player with cat/dog sounds and its loud enough and I used it today but it didnt work. What can I do to make them never dare to come nearby and shut up?

1) Put on calls of other red cardinals
2) Some high pitched sound that irritates them
3) ......?

Please help.

[alan31]

Ok I guess this forum is dead. Gotta try something else.

edit: No birds for now. Might have worked after I turned on the FM radio under the tree. Fking jerks, these red birds. Wish I had a gun. SO annoying.