For an interview, I


     For an interview, I would recommend a wireless lavalier mic, like a Sennheiser Evolution 100 G3 EW 112P G3 system, or similar, and then record the audio with an audio recorder.

     As far as the presentation goes, you need to decide what the subject of your shot is going to be.  Is it going to be the interviewee, or the presentation?  You may just want to get a copy of the presentation, and when you edit, make cuts or transitions between the subject and the presentation.

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