Basic Acoustics | SHS 170 - Intro Hum Comm Sys & Disorders, Quizzes of Speech-Language Pathology

final part 3 Class: SHS 170 - Intro Hum Comm Sys & Disorders; Subject: Speech and Hearing Science; University: University of Illinois - Urbana-Champaign; Term: Fall 2009;

Typology: Quizzes

Pre 2010

Uploaded on 12/18/2009

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TERM 1
transverse waves
DEFINITION 1
particle displacement is perpendicular to the direction of
wave propagation. The particles they simply oscillate up and
down about their individual equilibrium positions as the wave
passes by.
TERM 2
longitudinal waves (sound)
DEFINITION 2
the particle displacement is parallel to the direction of wave
propagation. The particles simply oscillate back and forth
about their individual equilibrium positions. The wave is seen
as the motion of the compressed region which moves from
left to right.
TERM 3
period
DEFINITION 3
length of time to complete one cycle
TERM 4
frequency
DEFINITION 4
rate of wave vibration, perceived as pitch
TERM 5
pitch
DEFINITION 5
not a one to one ratio
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TERM 1

transverse waves

DEFINITION 1

particle displacement is perpendicular to the direction of

wave propagation. The particles they simply oscillate up and

down about their individual equilibrium positions as the wave

passes by.

TERM 2

longitudinal waves (sound)

DEFINITION 2

the particle displacement is parallel to the direction of wave

propagation. The particles simply oscillate back and forth

about their individual equilibrium positions. The wave is seen

as the motion of the compressed region which moves from

left to right.

TERM 3

period

DEFINITION 3

length of time to complete one cycle

TERM 4

frequency

DEFINITION 4

rate of wave vibration, perceived as pitch

TERM 5

pitch

DEFINITION 5

not a one to one ratio

TERM 6

intensity

DEFINITION 6

related to how much air is displaced, perceived as loudness

TERM 7

loudness

DEFINITION 7

amplitude or strength of sound vibration

TERM 8

Hz (hertz)

DEFINITION 8

how frequency is measured, ppl can her 20- 20,000 hz, 125-

6000 is most important for speech

TERM 9

dB

(decibels)

DEFINITION 9

what loudness is measured by, 0 db doesnt indicate absence

of sound, merely a threshold of hearing