Acoustics & Sound For Musicians - Online Book

The Theory Of Sound Which Constitutes The Physical Basis Of The Art Of Music.

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of the vibrating particle at equal intervals of time.
On comparing the three cases it will be seen that the mode of the particle's vibration is distinct in each. In (1), it moves fastest at 0, and then slackens its pace up to A. In (2), it starts more slowly than in (1), attains its greatest speed near the middle of OA, and again slackens on approaching A. In (3), the pace steadily increases from 0 to A. The different wave-fronts shown in the figure have been purposely constructed with the same amplitude and length, in order that only such variations as were due to differ-
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