audio frameworks in iPhone

Question

I would like to know the follwing information about iPhone audio system

• Heirarchy of the audio framework in iPhone OS.

  i know that there are 3 main audio frameworks in iPhone OS.i.e

AVFoundation Framework
CoreAudio Framework
OpenAL Framework

• what are the audio formats supported in each of the above framework?I mean will all the framework support all audio formats or are they dependent about the audio formats it support?

Thank You

Answer 1

For AVFoundation,CoreAudio pls check this link -- LINK

And for OpenAL this link might help you -- Link