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How Noise Cancelling Headphones Work and Safety
The article discusses how noise-canceling technology in headphones works, relying on two systems: passive and active isolation. Microphones inside the headphones pick up external sounds and analyze them to produce opposing sound waves that cancel out the noise. It also points out that using these headphones may be associated with difficulties in interpreting sounds or determining their direction, especially with prolonged use, although there is no definitive scientific evidence that they always cause hearing disorders.
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