On the video sharing YouTube videos appear for hearing tests and age. Video content from the corresponding audio track educational channel AsapSCIENCE recently put in a certain hosting YouTube. It is necessary to indicate that the sound of the video helps to determine the age of the people, but also the quality of human hearing ceychas. Professionals say that over the years people stop to capture the high frequencies, which makes it possible to determine their age. On the basis of the age of the test set. As tvoygorodpskov.ru writes, over time, people lose the ability to respond to high frequencies. Professionals have invented how to check the age of the person with sound
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The soundtrack begins with a frequency of 8 thousand hertz, then it gradually increases and reaches the value of 19 thousand. . The test is recommended for people aged 20 to 50 years.
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