HANDBOOK OF ACOUSTICS - online book

A complete view of Acoustical Science & its bearings on music, for musicians & music students.

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ON DISSONANCE.
159
Two other points may be noticed before leaving this table. In the first place, it appears, that a very high number of beats—more than 100 per second—may be appreciable to the ear without coalescing. In order to convince oneself that this is true, it is only necessary to hear the following four intervals successively between simple tones, and note that, though it soon becomes impossible to discriminate the separate beats, yet, the harsh jarring effect is the same throughout.