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Unformatted text preview: distinction) d. amplitude - intensity of energy in a given wave of sound; signified by height of sine wave i. loudness - subjective interpretation of the intensity of a sound ii. decibel - logarithmic scale to measure the intensity of sound waves Energy in the Sound Wave Perceived Loudness 0 dB threshold for audibility barely audible 10 dB l0 X 0 dB 2 X 0 dB 20 dB 100 X 0 dB 4 X 0 dB 30 dB 1000 X 0 dB 8 X 0 dB 40 dB 10,000 X 0 dB 16 X 0 dB iii. human amplitude range - 0 dB - 120 dB (130 dB = pain level) Physiology of Hearing and Equilibrium II. Transmission of Sound to the Inner Ear air --> external auditory canal --> tympanic membrane (ear drum) --> ossicles (malleus, incus, stapes.) --> oval window of cochlea --> vibration of cochlear fluid --> basilar membrane of cochlea...
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