**Personal Note: This session was not what I expected from the title; but so many other people got up & left once he did the intro about this session being about audio enhancement products that I felt bad & couldn't leave.
Here's a few things I noted:
sound decreases 6 dB every time distance is doubled
there is an app for sound decibel reading
audio enhancement products--infrared devices
adding microphone system to teacher; speakers installed in ceilings and in back of room
amazing results in achievement!
most kids reported that they liked that the teacher didn't have to yell
great for classroom management
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