— PLEASE PUT YOUR HEADPHONES ON —
Human hearing is capable of detecting sound waves between 20 and 20.000 Hz.
… merely a small fraction of the frequency spectrum.
Most sounds around us go unnoticed.
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— PLEASE PUT YOUR HEADPHONES ON —
Human hearing is capable of detecting sound waves between 20 and 20.000 Hz.
… merely a small fraction of the frequency spectrum.
Most sounds around us go unnoticed.
A story about
