Acoustics & Sound For Musicians - Online Book

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

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VII. §74.] INTERFERENCE OF SOUND.                153
admit of being exhibited in a more complete manner by means of associated waves. We have only to lay down the simple wave-forms corresponding to the constituent vibrations, and superpose them as in §72. The reader will have noticed that the diffe­rences of relative motion described on the preceding page are merely phase-differences.
In Fig. 54, (l), (2), (3), we have two waves of unequal amplitudes in complete accordance, complete antagonism and an intermediate condition, respec-
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