The threshold of hearing is the minimum sound level that the average human ear can detect, typically measured at a frequency of 1 kHz. This level is considered to be around 0 decibels (dB), which represents the faintest sound that can be perceived by the average person in a quiet environment. Understanding this concept is crucial for assessing human perception of sound and noise, as it serves as a baseline for distinguishing between audible sounds and those that fall below this level.
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