Reading audio data from an .ogv video

Nuno Moreira <[email protected]> Wed, 17 Aug 2011 19:10:08 +0100
Newsgroups gmane.comp.multimedia.ogg.theora.general
Message-ID <[email protected]>
I need some info on how can I read the audio data from an .ogv video.  
I'm creating an in-game player and so far I'm only able to read and render the frames of the video (no audio). Tried splitting the video from the sound but it got out of synch really quickly. 
Thanks,

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