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Exploring the Dynamics of Sound Waves How do computers represent sound? What is a sound wave? How can a sound wave be measured? Frequently sound is described using terms such as pitch, tone, frequency, intensity or loudness. To understand the origins of these terms as well as to understand the mathematical models used to represent sound, this investigation can help you to explore the dynamics of a sound wave. The physical model has been simplified to highlight important scientific and mathematical features. Subsequent investigations will explore additional complexities of a sound wave. The sound wave is controlled by two parameters: the amount of initial energy put into the string (initial displacement) and the amount of tension in the string. The animation of the string has been slowed down so that model of the wave can be observed clearly.
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