Every lecture, recorded and converted into playable mp3, is available on this course’s Collab site. To access the recording, log in to Collab and click on the “iTunesU” tab. Follow prompts to either subscribe to this course as a podcast (thereby downloading every lecture automatically) or picking just the lectures you’d like to hear.
Only people enrolled in the course have access to these recordings. If you have to miss class, use these recordings to stay caught up.