Threshold of hearing

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Last updated 8:16 PM on 5/9/26
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4 Terms

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Threshold of hearing is also called the/it is

Absolute threshold, dividing line between hearing and not hearing

2
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50% rule (50% detection of the signal)

When the amplitude is set at the exact threshold, the listener will hear the sound 50% of the time and not hear the sound 50% of the time

3
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Hearing threshold changes with the sound frequency

Our hearing is more sensitive at some frequencies and less sensitive at others

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Equal loudness contours

Graphs that show the intensity in dBSPL at which a frequency (pure tone) must be to be perceived as equally loud as a tone at another frequency