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09/16/2006

Earplug smart

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  I am thinking of making an earplug that passes on specific sounds and doesn't allow the other sounds to be heared. This device has a switch to adjust special frequencies of sounds, and if they are the same the sound passes and can be heard. This device can be very helpful when two or more sounds are mixed and you can not distinguish the one you want to hear.
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afshin
 
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