I ran a session on podcasting in the classroom at this year's ThatCamp Philadelphia. Because I ran the session, I did not take a ton of notes. Hopefully someone else posts more notes from the session.

Audacity is the go to for open source audio.
How do you send it back to students?
What about accessibility issues?
An idea to include a general message to class before each comment.
Students seem to be fascinated by how they stand versus other students and classes on average.
Could audio comments push comments to sound more positive/productive?
Question in room about how much students will “hear” in audio comments.
Question about what is a good open source and/or Linux friendly app for audio transcription.
We are discussing my oral recitation project.
Oral recitation project as an opening for students to begin having professional presence online.
Could record discussions/debates/symposiums and have students relisten and then do reflective essay or answer a set of questions.