What Is Pain Threshold?

- Jul 02, 2018-

The pain threshold is the sound pressure when the human ear produces a feeling of indifference to sounds. The sounds of different frequencies have different frequency pain thresholds. For example, the pain threshold of a 50 Hz sound is about 10 Pa and the pain threshold of a 1000 Hz sound is 200 Pa. Left and right, draw a curve on the pain threshold of various frequency sounds, called the "pain threshold curve".



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