Shape from Shading
• Questions? Comments?
Today
• Ear Structure and function
Ear
EAC –
Sound
Vibrations
travel to
TM
Ear
Tympanic
Membrane
– vibrates
from sound
waves –
moves
Malleus
(Hammer)
Ear
Hammer,
Anvil,
Stirrup
(Malleus,
Incus,
Stapes)Turn sound
waves into
mechanical
energy
Ear
Stapes –
transmits
mechanical
energy
onto oval
window of
cochlea
Ear
Oval
Window –
transmits
mechanical
energy to
fluid in
cochlea
(waves)
Ear
Ear
Ear
Perilymph
Endolymph
Ear
Ear
Higher-pitched
sounds nearest
oval window
Ear
Higher-pitched
sounds nearest
oval window
Ear
Review
• How much sound is coming out of your
ear buds?
• If a tree falls in the woods and nothing is
around to hear it, does it make a sound?