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What's wrong with using noise-cancelling headphones?

• Posted by ewdfa yyy June 23, 2022 Filed in Aliens & UFO #ANC Headphones ，  32 views
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  Wearing active noise-cancelling headphones will indeed be clearer in a noisy environment, but many wearers say that their ears will feel stuffy, and even nausea in severe cases.Active Noise Cancelling Headphones ，What is the situation?

   

  With everyone's experience in wearing headphones, most of the stuffy ears are considered to be the problem of atmospheric pressure. However, now headphones with better air-tightness generally have ventilation holes in the front and rear cavities to ensure sound quality and also effectively balance the air pressure. As long as you don't be too impatient when wearing headphones, headphones can use these structures to alleviate air pressure changes; And if it is really uncomfortable, generally taking off the headset and re-wearing it can solve the problem.

   

  Therefore, the adverse reactions caused by active noise canceling headphones are now more generally considered to be caused by infrasound waves.

   

  Infrasound refers to sound waves with a frequency less than 20Hz, which is lower than the frequency that the human ear can perceive. There are infrasound sources almost everywhere in nature and industrial production. According to NASA experiments, infrasound waves can indeed cause chest vibrations, affect breathing, and cause nausea, headaches and coughing.

   

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