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Some physics about headphones
🕑 Added 2024-12-02 17:50:06 +0000 UTCFrom a physics point of view, sound is a mechanical wave that makes air particles vibrate and sends those vibrations to your ear.
Headphones, especially the ones you put inside your ears, concentrate sound energy on a very small area. Vibrations are created.
These vibrations pass through the fluid in the cochlea of your ear, where hair cells pick them up and turn them into signals for your brain.
If the sound is too loud, the wave has too much energy. This overloads the hair cells. With frequent or long exposure, they lose their elasticity. These cells don’t regenerate, so it causes permanent hearing loss.
The physics is simple: a wave that’s too powerful destroys sensitive structures because of the extra sound pressure and energy.
If you want to harm your ears less, use over-ear headphones. They create less pressure and reduce the load.
It’s like using a knife. It can cut anything because it presses on a small spot. But if you try something larger, it’s harder to do.
Comments
EdBozz
I work in Audiology and it’s always nice to see a sexy woman talk about the details. I would normally recommend less use of headphones all together, unless you can use them to the recommended volume level. Speakers are easier to regulate at home.
Florin
👍😉😁
Ana
Such a bastard🤭🤭🤭
Florin
Pressure = increased temperature
Florin
Not only pressure but also the fact you have headphones … it melts the wax in your ears and can cause the NaCl in you years to leak and bacteria will form … infections. So … dont use headphones … i use them everyday at work :))
Ana
It's a good question. At the same perceived loudness, the overall sound pressure levels a similar between the two types of headphones. But the localized concentration of pressure in in-ear headphones makes them more likely to cause damage at lower volumes. There is also some connection with the geometry of the interaction of the headphones and the ear itself. This also has an effect.
spider-mario
Wouldn’t perceived loudness be an indicator of sound pressure, such that the pressure is the same if you adjust the in-ear and over-ear headphones to the same perceived loudness? Or are you saying that it takes a higher sound pressure from in-ear headphones to achieve the same perceptual volume?
