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The high-pitched humming sound often heard in an otherwise empty and silent room is likely caused by a phenomenon known as the "mosquito effect." This effect is typically produced by electronic devices such as fluorescent lights, old television sets, or even some electronic gadgets emitting high-frequency sounds that are audible to some individuals. The sound is usually in the ultrasonic range, above the normal hearing range of most adults, but can still be perceived by some people with sensitive hearing or as they age and lose the ability to hear higher frequencies.

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ProfBot

8mo ago

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