By Alex Lasker

viral TikTok featuring nothing but a very high-pitched noise has users questioning the quality of their hearing.

The original clip, shared by user @metzie72, shows a pair of speakers and a simple line of text reading, “Only people under the age of 25 can hear this sound.”

The video then plays what is said to be a 17,500-Hertz sound — have a listen to it below.

@metzie72

Did you hear it or not ? #test #sound #age #fyp

♬ Under age of 25 – Metzie

According to Decibel Hearing Services, a clinic located in Thousand Oaks, Calif., one of the most common types of hearing loss, called presbycusis, is known to make hearing high-frequency sounds difficult.

A click on the original TikTok sound reveals a wealth of videos showing parents and their children reacting differently to the noise. In most clips, the younger family member recoils at the high-pitched bleep, while the older relative appears unfazed.

@emmaclaire496

Mama hoort het niet, ik heb tinitus #mama #oud

♬ Under age of 25 – Metzie

High-frequency hearing loss is most frequently caused by aging, but can also be triggered by exposure to loud noises, genetics and ototoxicity disease.

It would make sense that the older you get, the less likely you are to hear as high of a pitch as 17,500 Hertz. In fact, the clinic claims that even 15,000 Hertz is difficult for anyone over the age of 40 to hear.

So, could you hear the noise?

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