Preliminary Report On Researches On Sound Measurement : With Reference to the Testing of Fog Signal Machinery
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In our eReader you can find the full English version of the book. Read Preliminary Report On Researches On Sound Measurement : With Reference to the Testing of Fog Signal Machinery Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Preliminary Report On Researches On Sound Measurement : With Reference to the Testing of Fog Signal Machinery
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An important problem which was solved during the 1917 tests was that of studying the quality of the signals given out by the diaphone. When any sound-producing instrument is sounded, it rarely happens, except in the case of specially designed laboratory apparatus, that a pure note of single pitch is generated. The note in most cases is a complex mixture of the fundamental, accompanied by a large number of notes of higher pitch called overtones. The accurate analysis of complex tones has only re...cently been achieved through the work of Professor Dayton C. Miller of the Case School of Applied Science of Cleveland, Ohio (U.S.A.). By means of an instrument of his invention called the "phonodeik", Professor Miller has been able to actually photograph sound-waves in the form of a sinuous line on a photograph film. The analysis of such a record gives exact data as to the relative proportions of acoustic energy contained in the fundamental and overtones, and in this way almost every known musical instrument has been studied in the Cleveland laboratories.
What to read after Preliminary Report On Researches On Sound Measurement : With Reference to the Testing of Fog Signal Machinery?
You can find similar books in the "Read Also" column, or choose other free books by King, Louis V., 1886- to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
An important problem which was solved during the 1917 tests was that of studying the quality of the signals given out by the diaphone. When any sound-producing instrument is sounded, it rarely happens, except in the case of specially designed laboratory apparatus, that a pure note of single pitch is generated. The note in most cases is a complex mixture of the fundamental, accompanied by a large number of notes of higher pitch called overtones. The accurate analysis of complex tones has only re...cently been achieved through the work of Professor Dayton C. Miller of the Case School of Applied Science of Cleveland, Ohio (U.S.A.). By means of an instrument of his invention called the "phonodeik", Professor Miller has been able to actually photograph sound-waves in the form of a sinuous line on a photograph film. The analysis of such a record gives exact data as to the relative proportions of acoustic energy contained in the fundamental and overtones, and in this way almost every known musical instrument has been studied in the Cleveland laboratories.
What to read after Preliminary Report On Researches On Sound Measurement : With Reference to the Testing of Fog Signal Machinery?
You can find similar books in the "Read Also" column, or choose other free books by King, Louis V., 1886- to read onlineMoreLess
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