I often find that background noise makes recording difficult. I have often wondered if an external microphone would help. On line I have seen one called Multimedia IP-IRIG-CAST-IN Ultra- Microphone iPhone, iPod Touch, iPad. Has anyone tried external microphones?
Leigh Cassell Consulting 
Do you have an FM system? My low-tech solution tht seems to work for short projects has been to hold my own microphone up to the iPad speaker when students share.
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I have also used my FM system as a microphone for students. It seems to work well. I haven’t tried any other external microphones.
Leigh
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