What is the range of hearing of a human ear?
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The range of human hearing is generally considered to be 20 Hz to 20 kHz, but it is far more sensitive to sounds between 1 kHz and 4 kHz. For example, listeners can detect sounds as low as 0 dB SPL at 3 kHz, but require 40 dB SPL at 100 hertz (an amplitude increase of 100).
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The human ear can hear sound of the range 20 Hertz to 20,000 Hertz. These sounds are called audible sounds.
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