Audio Codes

http://www.youtube.com/watch?v=Cd3wPrJ0r3E

http://www.youtube.com/watch?v=UPEHygqoKZU

http://www.youtube.com/watch?v=8wRkrJSIaUI

http://www.youtube.com/watch?v=2T5_0AGdFic

http://www.youtube.com/watch?v=Guf3HqeF3Ck

http://www.youtube.com/watch?v=KmkVWuP_sO0&feature=related

http://www.youtube.com/watch?v=AtZcjt28Oxg

How do producers of media texts use visual and audio codes to create meaning?