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Does the voice from loudspeaker also get shrill when the listener reaches the sounding source?

User Danra
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Answer:

Yes, cause when listener is far away from music source... the listener feels it's pleasant.... but when observer approaches near loudspeaker... sound become unpleasant..........sound becomes noise when frequency crosses 85 Decibels.....so you can say that the voice from loudspeaker also get shrill when the listener reaches the surrounding source......

User Ahram
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