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Blank screen when kids yell
A web forum has a great discussion by a parent on how to blank the monitor if the kids are yelling too loudly. He manually SSHes into the computer to blank it from a nice vantage point, but enterprising linux folks offer automated solutions; when put into a script running in the background, it looks something like:
Record audio, analyze
Extract average (RMS) amplitude
Compare against threshold, take action of any
Sleep, repeat
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Ches Koblents
February 3, 2013
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