Audio and 2-way video

[ghost]

First off, this is amazing--I don't know how you got all these pieces working together! However, there are some issues like audio, as you've documented in your guide. Could you shed some light on the problems you had with that component? I'd like to work on a solution and a nudge in the right direction would be greatly appreciated. Also, how can one get started on 2-way video, so the hololens user can see the mentor? Thanks for your help.