Sound And Music: An Elementary Treatise On the Physical Constitution of Musical Sounds And Harmony
The book Sound And Music: An Elementary Treatise On the Physical Constitution of Musical Sounds And Harmony was written by author Sedley Taylor Here you can read free online of Sound And Music: An Elementary Treatise On the Physical Constitution of Musical Sounds And Harmony book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Sound And Music: An Elementary Treatise On the Physical Constitution of Musical Sounds And Harmony a good or bad book?
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no efi'ect whatever is pro- duced. Fi0 .SS. 75. Thus, when one simple tone is being heard, we by no means necessarily obtain an increase of loudness by exciting a second simple tone of the same pitch. On the contrary, we m,ay thus weaken the original sound, or even extinguish it entirely. When this occurs we have an instance of a phe- nomenon which goes by the name of Interference. That two sounds should produce absolute silence seems, at first sight, as absurd as that two loaves should be equi...valent to no bread. This is, however, only because we are accustomed to think of Sound as 158 INTERFERENCE OF SOUND. [VII. § 76. something possessing an external substantial exist- ence ; not as consisting merely in a state of motion of certain air-particles, and therefore liable, on the application of suitable forces, to be absolutely anni- hilated. A single tuning-fork presents an example of this very important phenomenon. Each prong sets up vibrations corresponding to a simple tone, and the two tones so produced are of the same pitch and intensity.
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