week four vocab Flashcards
(28 cards)
what is required for generating sound
mass and elasticity
where is sound conducted
through a medium
how does sond travel
through a pressure wave
how many tones do sound waves come in
2
simple wave
1 frequency
complex wave
2+ frequencies
frequency =
pitch
intensity =
loudness
duration =
duration
amplitude/intensity
distance of wave from the midline
( measured in dB )
period
time to complete one cycle
frequency is
number of waves in one second
( measure in Hz )
middle ear
amplifies sound waves
external/ outer ear
funnels sound waves
inner ear
tunes sound waves into electrical impulses
auditory system includes
auditory nerve
brainstem
auditory cortex
pinna
protects ear cana;
funnels sound
differentiates sound location
external auditory meatus
protects middle ear
funnels sound
temporal lobe
protects and supports auditory system
tympanic membrane
the division between outer and middle ear
eustachian tube
pressure equalization valve that allows air in and out of middle ear cavity
ossicular chain
smallest bone in the body
malleus
attaches to tympanic membrane
incus
middle bone in ossicular chain
