Sounds that can be heard by the human ear are said to be between 20Hz and 20,000Hz, and it becomes difficult to hear high-frequency sounds with age.This app allows you to test your hearing between 11000Hz and 20000Hz to see how old your ears are.* A simple diagnostic tool. See an otolaryngologist for a detailed examination.
耳年齢 - 耳, テスト, 聴力, 難聴、聴力検査
