F09SESS19 6s0 - IE/PSY 577 Session 19 Rate of Change in Air...

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1 IE/PSY 577 Session 19 Audition and the Remaining Senses 2 IE/PSY 577 Session 19 Sound Waves Source: An object vibrates, disturbing the particles in the surrounding air. This disturbance pattern moves outward in a wave pattern through the air in all directions. The intensity of the wave decreases as it moves farther from the source. 3 IE/PSY 577 Session 19 Sound Waves Consist of Changes in Air Pressure 4 IE/PSY 577 Session 19 Rate of Change in Air Pressure Corresponds to Sound’s Frequency Period Period Time Time Sound Amplitude 5 IE/PSY 577 Session 19 Important Relationship λ= cT = c/F. Wavelength Distance Distance Wavelength 6 IE/PSY 577 Session 19 Schematic Representation of the Ear
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2 7 IE/PSY 577 Session 19 The Functions of Ear’s Constituent Parts Pinna and eardrum Directional microphone Middle ear Impedance matching and overload protection Inner ear Frequency analysis (Hair cells) 8 IE/PSY 577 Session 19 Schematic Diagram of the Cochlea 9 IE/PSY 577 Session 19 Cross-Sections of Cochlea
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F09SESS19 6s0 - IE/PSY 577 Session 19 Rate of Change in Air...

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