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The Human Audiogram
. If the intensity becomes too great, the sensation becomes one of pain rather than of hearing. This is indicated by the upper curve which lies close to 10 6 m Wm -2 or 1 Wm -2 , putting 1 = 1 Wm -2 and I 0 = 10 -12 Wm -2 in equation (1-35), we get = 10 log 10 12 = 120 dB A sound of intensity level..
. If the intensity becomes too great, the sensation becomes one of pain rather than of hearing. This is indicated by the upper curve which lies close to 10 6 m Wm -2 or 1 Wm -2 , putting 1 = 1 Wm -2 and I 0 = 10 -12 Wm -2 in equation (1-35), we get = 10 log 10 12 = 120 dB A sound of intensity level..