hearing range is said to be roughly 20Hz to 20,000Hz, and it is known that it generally becomes harder to hear high-pitched sounds as we age. On the website ' Play Sounds,' you can play several sounds ...
From 20 Hz to 20 kHz, dB-0.09, +0.00 From 40 Hz to 15 kHz, dB-0.03, +0.00 ...
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