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Sound Vocab
All sound vocab
Term | Definition |
---|---|
Echo | A reflected sound wave |
Elasticity | the ability of an object or material to resume its normal shape after being stretched or compressed |
Density | the degree of compactness of a substance. |
loudness | describes what you hear |
intensity | amount of energy a sound wave carries per second |
decibel | a degree of loudness, or is a unit used to measure how powerful or loud a sound |
Pitch | the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone. |
Ultrasound | sound or other vibrations having an ultrasonic frequency, particularly as used in medical imaging. |
infrasound | sound waves with frequencies below the lower limit of human audibility. |
larnyx | the voice box of humans and other mammals |
doppler effect | the change in frequency of a wave as it source moves in relation to an observer |
what causes doppler effect | when a sound source moves, the frequencyof the waves changes because the motion of the source, adds to the motion of the waves. |
what causes the sonic boom | when an object goes faster than the speed of sound |
fundamental tone | lowest frequency in an object |
overtone | an objects higher natural fequencies |
acoustics | how sounds interact with each other ad the environment |
reverberation | echoes of sound after producing sound waves |
ear canal | part of air that collects sound waves |
ear drum | small membrane that vibrates to allow you to hear sound |
cochlea | fluid filled cavity shaped like a snail shell |
echolocation | the use of reflected sound waves to determine distance or locate objects |
sonar | use of reflected sound waves to determine distance or locate objects |
sonogam | uses reflected ultrasound waves o create pictures |