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