Sound
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Created by:
MissWilliamsladybug on March 26, 2012
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13 terms
Terms | Definitions |
|---|---|
 sound level | A logarithmic scale that measures amplitudes; depends on the ratio of the pressure variation of a particular sound wave to the pressure variation in the most faintly heard sound; unit of measurement is the decibel. dB. |
| decibel | a logarithmic unit of sound intensity |
| pitch | the property of sound that varies with variation in the frequency of vibration |
| Doppler Shift | change in the apparent frequency of a wave as observer and source move toward or away from each other |
| closed-pipe resonator | a resonating tube with one end closed to air; its resonant frequencies are odd-numbered multiples of the fundamental |
| open-pipe resonator | a resonating tube with both ends open that also will resonate with a sound source; its resonant frequencies are whole number multiples of the fundamental |
| timbre | quality of a musical tone produced by a musical instrument (which distinguishes it from others of the same pitch) |
| fundamental | the lowest tone of a harmonic series |
| harmonic | A component of a complex tone; one of a series of tones whose frequency is a multiple of the fundamental frequency. In music theory, also known as an overtone |
| dissonance | harsh, inharmonious, or discordant sounds |
| consonance | the property of sounding harmonious |
| octave | a musical interval of eight tones |
| beat | produce a rhythm by striking repeatedly |
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