Noise-canceling headphones function by utilizing a microphone that detects external sounds. Through sophisticated electronics, these sounds are ‘cancelled’ by playing an inverted wave to the listener, which diminishes the audio signal reaching the eardrum.
This mechanism is akin to how a car’s active suspension mitigates vibrations from uneven roads.
The outcome is that listeners enjoy crystal-clear audio with almost no interference from background noise.
Moreover, these headphones help safeguard your ears from high volume levels. By reducing background noise, your device doesn’t need to produce sound as loudly. Hence, parents globally often encourage their children to wear headphones.
Sounds advantageous, right? But then I began hearing stories about young people facing increasing challenges, such as Auditory Processing Disorder (APD).
These individuals frequently struggle to comprehend sounds and speech amidst distracting background noise.
The underlying causes may be linked to a notable rise in young people using noise-canceling headphones and relying on subtitles while watching videos.
Instead of their brains developing typically and learning to filter the noisy environment, they wear noise-canceling headphones for extended periods, regardless of their location, thereby not allowing their brains to adapt properly.
Our brains function like muscles; they evolve in response to external stimuli.
Just as biking 100 miles a day will sculpt your thighs, your auditory processing skills may weaken if you expose yourself solely to pure audio without any background noise, leaving you unable to process multiple sounds simultaneously.
Auditory therapy can be beneficial in retraining the brain, but the optimal approach is to engage more with the world around you before complications develop. Over-isolating ourselves may lead to greater issues.
This article addresses the question (submitted by Mary Watkins): “Can noise-canceling headphones harm your ears?”
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Source: www.sciencefocus.com
