Can enyone tell me a bit about audio ingeneering?

Question

ok so i need to know the following about auido recording engineers
1) what do they do
2) what is the education or qualifications needed
3)what are their salarie/earnins
4) what is the job outlook for this career

there it is... oh and pleaze if you dont know dont give me eny joke answers i need some real info because im thinking about studying this field but cant find much info about it on the net.

thank you for your help

Answer 1

http://en.wikipedia.org/wiki/Audio_engineering

http://www.aes.org/