As promised in Audacity, Humanity, Efficiency, Mobility (part 1), here are some brief suggestions about making small mp3 files for student feedback using Audacity.
And to reiterate, these files will not share you at your aurally most pleasing. You’ll have more the hollow, digital rasp of Darth Vader than the Auto-Tuned perfect pitch of a prepubescent, Disney-built pop star. But seriously, who has more gravitas? Yes, I thought so.