http://stackoverflow.com/questions/7656512/combining-two-caf-files-on-iphone
http://stackoverflow.com/questions/2067267/where-to-start-with-audio-synthesis-on-iphone
http://stackoverflow.com/questions/1667603/mixing-audio-on-the-iphone?rq=1
http://stackoverflow.com/questions/7656512/combining-two-caf-files-on-iphone
http://stackoverflow.com/questions/2067267/where-to-start-with-audio-synthesis-on-iphone
http://stackoverflow.com/questions/1667603/mixing-audio-on-the-iphone?rq=1