sometimes reflection of sound may be undesirable.give three examples??
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They can be disruptive and loud to hearing and are produced by vibrations from a medium, like water or air.
There can be many types of noises that may be audible or may not be audible to us.
Acoustic noise from a music, speech or instrument can be heard easily, whereas we may not be able to hear electronic noise.
For detecting electronic noise, we may need advanced instruments for detection.
There can be many types of noises that may be audible or may not be audible to us.
Acoustic noise from a music, speech or instrument can be heard easily, whereas we may not be able to hear electronic noise.
For detecting electronic noise, we may need advanced instruments for detection.
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