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3 answer(s)

Reply	BRidder says: Yes that would work. I think the phenomenon is known as destructive interference, where two waves interact to cancel each other out. This would occur regardless of the type of detector that you are using.        (no votes) Tags: sound, ears, phase, microphone.
	posted on 2010-10-28 12:20:56 | Report abuse

Reply	ecstatist says: http://en.wikipedia.org/wiki/Microphone Do read and consider the "directionality" of microphones, ears and the fact that (if said half deaf person were "not on top of a flag pole" but in a room) a great deal of what is heard is reflected sound thus following a different path length which negates  much of the destructive interference.  (no votes) Tags: sound, ears, phase, microphone.
	posted on 2010-10-29 18:02:33 | Report abuse

Reply	StewartH says: Yes, it would work. I have demonstrated this in the past by just sticking a finger in one ear. The null is not as sharp as one might expect because much of the sound reaching our ear drums is conducted through the bone of the skull. Now, if you could find someone deaf in one ear and with a very small head................  (no votes) Tags: sound, ears, phase, microphone.
	posted on 2010-10-29 22:18:31 | Report abuse