Dayton Clarence Miller:The science of musical sounds
- nouveau livre 2000, ISBN: 9781155082905
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not … Plus…
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...second; the spot of light which is vibrating back and forth in a straight line falls on the film, making several excursions within the time of exposure, and records the amplitude of the vibration; the record for the first pipe is C in Fig. 115. The film is moved lengthwise about a quarter of an inch, and while the second pipe, C#, is sounding, the resulting amplitude is photographed. The process is continued until the amplitudes produced by the sixty-one pipes are recorded. The vertical scale of such a chart represents linear amplitude, while the horizontal scale is a logarithmic scale of frequencies which is described on page 168. A curve may be drawn through the upper ends of these amplitude records, showing the '' responsivity of the apparatus under the conditions of the experiment. Fig. 115 shows the responses used in correcting the analysis of the organ-pipe curve shown on page 122, while the interpretation of the responses is given on page 163. Fig. 115. Photographic record of the amplitudes of vibration for the organ pipes of uniform loudness. The irregular curve of Fig. 116 is the response obtained with one of the earliest forms of phonodeik; it shows an almost startling departure from the ideal response represented by the smooth curve. What produces the range of mountains, with sharp peaks and valleys? Why is there no response for the frequency 1460; why is it excessive for frequencies from 2000 to 3000? There were five suspected causes: (1) unequal loudness of the pipes; (2) the diaphragm effects; (3) the mounting and housing of the diaphragm; (4) the vibrator attached to the diaphragm; (5) the horn. The investigation of these peculiarities was most tantalizing; the peaks acted like imps, jumping about from place to... Dayton Clarence Miller, Books, History, The science of musical sounds Books>History, General Books LLC<
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Dayton Clarence Miller:The science of musical sounds
- nouveau livre ISBN: 9781155082905
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not … Plus…
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...second; the spot of light which is vibrating back and forth in a straight line falls on the film, making several excursions within the time of exposure, and records the amplitude of the vibration; the record for the first pipe is C in Fig. 115. The film is moved lengthwise about a quarter of an inch, and while the second pipe, C#, is sounding, the resulting amplitude is photographed. The process is continued until the amplitudes produced by the sixty-one pipes are recorded. The vertical scale of such a chart represents linear amplitude, while the horizontal scale is a logarithmic scale of frequencies which is described on page 168. A curve may be drawn through the upper ends of these amplitude records, showing the '' responsivity of the apparatus under the conditions of the experiment. Fig. 115 shows the responses used in correcting the analysis of the organ-pipe curve shown on page 122, while the interpretation of the responses is given on page 163. Fig. 115. Photographic record of the amplitudes of vibration for the organ pipes of uniform loudness. The irregular curve of Fig. 116 is the response obtained with one of the earliest forms of phonodeik; it shows an almost startling departure from the ideal response represented by the smooth curve. What produces the range of mountains, with sharp peaks and valleys? Why is there no response for the frequency 1460; why is it excessive for frequencies from 2000 to 3000? There were five suspected causes: (1) unequal loudness of the pipes; (2) the diaphragm effects; (3) the mounting and housing of the diaphragm; (4) the vibrator attached to the diaphragm; (5) the horn. The investigation of these peculiarities was most tantalizing; the peaks acted like imps, jumping about from place to... Dayton Clarence Miller, Books, History, The science of musical sounds Books>History <
(*) Livre non disponible signifie que le livre est actuellement pas disponible à l'une des plates-formes associées nous recherche.