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45 Cards in this Set

  • Front
  • Back
used to demo interference
Herschel tube
harsh music
dissonance
vibrating membrane of middle ear
ear drum
used to pick up remote sounds
parabolic mic
frequencies of more than 20,000 Hz
ultrasonic
aids in balance
semi circular canal
pleasing music
consonance
uniform vibrations with consistant frequency
music
reflected sound
echo
unit of loudness or intensity
decible
100 in Saints stadium
constantly changing frequency
noise
vibrations of objects at the same frequency
resonance
8 note scale based on mathematical theory
octave or diatonic scale
frequencies of less than 20 Hz
infrasonic
echos that follow closely to the original sound
reverberation
stirrup
stapes
hammer
malleus
frequency in music
pitch
dependent on the individual point of view
subjective
string vibrates in more than one segment
overtones
sound made by supersonic aircraf
sonic boom
areas of interference that decrease sound intensity
dead spot
bending of waves from one medium to another
refraction
change in frequency due to motion
doppler effect
number of maximum intensity points per second
beat frequency
equalizes pressure
eustachian tube
waves piled up in air
sound barrier
string vibrates in 1 segment
fundamental
sound navigation and ranging
sonar
produce destructive interference
out of phase
measures depth of sea
echo sounder
produce constructive interference
in phase
used to measure speed of objects
radar
string vibrates in multiples of fundamental frequency
overtones
used to measure speed of supersonic objects
mach number
2 or more sound waves acting on the same air molecule at the same time
interference
dependent on external evidence
objective
stimulation of the auditory nerve
sound
anvil
incus
acoustically dead
anechoic
periodic change in sound intesntiy
beats
ability of waves to move around an obstacle
diffraction
snail shaped
cochlea
time required for sound to become inaudible
reverberation time
instrument used to study sound waves
oscilloscope