Acoustics & Sound For Musicians - Online Book

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

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	IV. § 45.]                DIRECT ANALYSIS.                           89 it as a constituent. If the observer has succeeded in keeping his attention unswervingly fixed on the note for which he is listening, he will hear it come out clearly from the mass of tones included in the
	trouble; the next two tones of the series on p. 86 with increasing difficulty, and those which succeed them not at all. The reader approaching the pheno­menon for the first time must not be disappointed if, on trying this experiment, he fail to hear the tones he is told to expect. He should vary its conditions by changing the note struck, in such a way that his attention will not be liable to be diverted by the presence of tones more acute than that of which he