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Introduction sound
| Term | Definition |
|---|---|
| Sound wave | an audible vibration that travels through air or water. |
| Frequency | Number of waves to pass a point in one second. |
| Amplitude | Distance from rest to crest or rest to trough. |
| Wavelength | Distance from crest to crest. |
| Crest | Point that exhibits maximum amount of upward displacement from the rest position. |
| Trough | Point that exhibits maximum amount of downward displacement from the rest position. |
| Pitch | The quality of the sound determined by the rate of vibration. |