Can a loud inaudible sound drown out audible noise?

  • Thread starter ChromeBit
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  • #1
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To the best of my knowledge: a powerful oscillation at one frequency means more energy is required to make same medium oscillate at another frequency.

Since sound perception works by detection of air oscillation, could a sufficiently powerful oscillation at an inaudible frequency (to humans) hearing drown out any audible noise?
 

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  • #3
Charles Link
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I do think there may be some merit to the OP's input. Even atmospheric turbulence, basically inaudible, can adversely affect the propagation of sound. I have limited expertise in this area, but I think the OP's post deserves further consideration.
 
  • #4
anorlunda
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To the best of my knowledge: a powerful oscillation at one frequency means more energy is required to make same medium oscillate at another frequency.

Since sound perception works by detection of air oscillation, could a sufficiently powerful oscillation at an inaudible frequency (to humans) hearing drown out any audible noise?

Are you asking about noise canceling headphones?
 
  • #5
Charles Link
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Are you asking about noise canceling headphones?
The OP needs to respond, but I interpreted the question to be that of trying to quiet a sound that originated from faraway by disrupting the atmosphere between the source and the listener with acoustical sources that are inaudible.
 
  • #6
davenn
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Even atmospheric turbulence, basically inaudible, can adversely affect the propagation of sound.
The OP needs to respond, but I interpreted the question to be that of trying to quiet a sound that originated from faraway by disrupting the atmosphere between the source and the listener with acoustical sources that are inaudible.

I suspect that is the wrong interpretation .... that's just a displacement of the sound wave

yes he does to clarify @ChromeBit ???


his OP reads like 2 sound sources side by side ( or at least in close proximity) ....
will the hi level low and inaudible low freq one drown out the audible one ??

Dave
 

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