| A | B |
|---|
| music | set of notes that combine in patterns that are pleasing |
| fundamental tones | the lowest natural frequency of an object |
| overtone | an object's higher natural frequency; may have frequencies that are two, three, or more times the frequency of the fundamental tone |
| acoustics | the study of how sounds interact with each other and the environment |
| reverberation | the echoes of a sound that are heard after the sound source stops producing sound waves |
| ear canal | a narrow region leading from the outside of the human ear to the eardrum |
| eardrum | a small, tightly stretched, drumlike membrane in the ear |
| cochlea | a fluid-filled cavity in the inner ear that is shaped like a snail shell |
| echolocation | the use of reflected sound waves to determine distances or to locate objects |
| sonar | a system that uses reflected sound waves to detect and locate objects underwater |
| sonogram | an image formed using reflected ultrasound waves |
| acronym for sonar | SOund Navigation And Ranging |
