Hello, I'm not a spy ;) I just want to design a message box to equip shop window. The microphone is fixed inside the shop to the glass of the window and a customer can record a message from the other side of the window. Do have any idear of what kind of device (microphone, transducer) i could use to get good results thank you for your help eric
system to record a voice from the other side of a window
Sep 11, 2006
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