hearing threshold
minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present
en-GB/ˈhɪəɹɪŋ ˈθɹɛʃəʊld/
en-US/ˈhɪɹɪŋ ˈθɹɛʃoʊld/
minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present