Potential risks from noise-canceling headphones

More and more people are using noise-canceling headphones, while scientists continue to study their long-term effects.

Noise-canceling headphones have become a popular accessory in modern life, primarily aimed at blocking out external noise and providing users with clear, private sound. However, despite their effective noise reduction capabilities, noise-canceling headphones cannot always completely eliminate ambient sounds.

Many people buy noise-canceling headphones without fully understanding the potential harm they can cause.

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Noise-canceling headphones operate based on two main technologies: passive noise cancellation (PNC) and active noise cancellation (ANC). PNC technology works by sealing off the ears, while ANC uses built-in microphones to monitor surrounding sounds and create inverted sound waves to cancel out the noise. ANC technology is particularly effective at filtering out low-frequency sounds, such as engine noise, but is less effective at sudden, jarring sounds.

Can noise-canceling headphones change the way we perceive sound?

Although noise-canceling headphones offer many benefits, their increased use has also raised health concerns. According to Dr. Renee Almeida, head of adult audiology at Imperial College Healthcare NHS Trust (UK), the number of adults seeking treatment for hearing problems is increasing, with some being diagnosed with auditory processing disorder (APD). This condition makes it difficult for sufferers to analyze and determine the direction of sounds, especially in noisy environments.

Currently, there is no clear evidence that noise-canceling headphones are a direct cause of APD in adults. However, Dr. Almeida emphasizes the need for further research on the long-term effects of noise-canceling headphone use, especially on children.

Understanding how noise-canceling headphones work and their effects is crucial, especially when considering their use for young children.

Source: https://thanhnien.vn/nguy-co-tiem-an-tu-tai-nghe-chong-on-185260601225458558.htm