[Openal] Audio Entry Point/Compositing(? -- Mix)

[Scott Harper]

Hello,

I'm looking for a way to take parts of an audio file or two (not from  
the beginning) and play from one time to another time in the audio,  
then maybe another clip from the same audio file, etc...  I would  
also like to mix multiple audio segments together and ultimately  
output a .wav file of the final result.  This is for a CS project to  
create a new sound track for a video file to be played back.

I'm not sure if OpenAL will do this (plus maybe applying filters?),  
so if not, then where should I be looking to either find a cross- 
platform library (I want to do it in Java with the JOAL bindings if  
OAL can handle it) or learn how to do this all myself real-time (or  
not)?

I'm still learning/researching how to go about all this, so I'm very  
open to suggestions.  Thanks! ^_^

--Scott