Sound and Music: a Non-mathematical Treatise on the Physical Constitution of Musical Sounds and Harmony: Including the Chief Acoustical Discoveries of Professor Helmholtz |
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Page 43
... becoming the rarefaction KL , co - operating , at the same time , with the advancing piston to pro- duce in its own rear the condensation HK . In ( 5 ) the piston is again where it was in ( 3 ) . HK has expanded into the rarefaction NO ...
... becoming the rarefaction KL , co - operating , at the same time , with the advancing piston to pro- duce in its own rear the condensation HK . In ( 5 ) the piston is again where it was in ( 3 ) . HK has expanded into the rarefaction NO ...
Page 46
... becomes what is commonly called ' sing - song . ' may We then define a musical sound as a steady sound , a non - musical sound as an unsteady sound . It is true we may often be puzzled to say whether a particular sound is musical or not ...
... becomes what is commonly called ' sing - song . ' may We then define a musical sound as a steady sound , a non - musical sound as an unsteady sound . It is true we may often be puzzled to say whether a particular sound is musical or not ...
Page 52
... become feebler , provided always that the waves are permitted to spread out in all direc- tions . If they are confined , say , in a tube , the intensity of the sound will not diminish with any- thing like the same rapidity . We have ...
... become feebler , provided always that the waves are permitted to spread out in all direc- tions . If they are confined , say , in a tube , the intensity of the sound will not diminish with any- thing like the same rapidity . We have ...
Page 53
... become . The instrument described below , which is called a ' Syren , ' gives us the means of following up with accuracy the hint just obtained . Fig.20 A B AB is a thin circular disc of tin or card - board , which , by means of a ...
... become . The instrument described below , which is called a ' Syren , ' gives us the means of following up with accuracy the hint just obtained . Fig.20 A B AB is a thin circular disc of tin or card - board , which , by means of a ...
Page 58
... become painful to the ear , and therefore unfit for musical purposes . The highest note of the piccolo , the shrillest sound heard in the orchestra , makes 4752 vibrations per second . And this we may regard as constituting a practical ...
... become painful to the ear , and therefore unfit for musical purposes . The highest note of the piccolo , the shrillest sound heard in the orchestra , makes 4752 vibrations per second . And this we may regard as constituting a practical ...
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Common terms and phrases
absolute pitch Accordingly air-column amplitude beats Cambridge chapters chords clang cloth coincides College combination-tone complete vibration concord consonance and dissonance contains corresponding crest Crown 8vo direction disc discord dissonance distance Edition effect ELEMENTARY TREATISE equal temperament exactly examine fact Fifth follows fork forms of vibration Fourth fundamental tone give rise harmonium heard Helmholtz Hence higher human voice Illustrations instrument intensity inversion length level-line loudness lower major scale Major Third ment Minor Seventh Minor Sixth mode of vibration motion musical sound nodes notation obtained octave open pipe original overtones pair partial-tones particle pendulum pianoforte piston pitch position produced Professor prong rapid rarefaction resonance result scale shown simple tones single musical stopped pipe string student suppose swing Syren theory tion tonic Tonic Sol-Fa triads trough tube tuning tuning-fork unison ventral segments vibration-fraction vibration-number vibrations per second wave-form wave-length wires
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