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 3
... follows . Let a bell , kept ringing by clockwork , be placed under the receiver of an air - pump , and the air gradually exhausted . Provided that suitable precautions are taken to prevent the communication of Sound through the base of ...
... follows . Let a bell , kept ringing by clockwork , be placed under the receiver of an air - pump , and the air gradually exhausted . Provided that suitable precautions are taken to prevent the communication of Sound through the base of ...
Page 37
... follows . Let a ball , or other small object , be attached to some part of an upright wheel revolving uniformly about a fixed axis , so that the ball goes round and round in the same vertical circle with constant velocity . If the sun I ...
... follows . Let a ball , or other small object , be attached to some part of an upright wheel revolving uniformly about a fixed axis , so that the ball goes round and round in the same vertical circle with constant velocity . If the sun I ...
Page 48
... dif- ference is to be referred . In what follows , by the word ' sound ' will always be meant musical sound , ' unless the contrary be expressly stated . CHAPTER II . ON LOUDNESS AND PITCH . 24. A 48 [ I. § 23 . STEADY AIR - MOTION .
... dif- ference is to be referred . In what follows , by the word ' sound ' will always be meant musical sound , ' unless the contrary be expressly stated . CHAPTER II . ON LOUDNESS AND PITCH . 24. A 48 [ I. § 23 . STEADY AIR - MOTION .
Page 56
... have only to proceed as follows . Let the note be steadily sounded by some instrument of sustained power , e.g. organ or harmonium , and then cause the Syren sound to mount the scale until its 56 [ II . § 28 . MEASURE OF PITCH .
... have only to proceed as follows . Let the note be steadily sounded by some instrument of sustained power , e.g. organ or harmonium , and then cause the Syren sound to mount the scale until its 56 [ II . § 28 . MEASURE OF PITCH .
Page 59
... follow- ing principle . 30 . When one sound has been arbitrarily selected as the starting - point , there are a certain number of other sounds , having fixed relations of pitch to that previously chosen , which are capable of forming ...
... follow- ing principle . 30 . When one sound has been arbitrarily selected as the starting - point , there are a certain number of other sounds , having fixed relations of pitch to that previously chosen , which are capable of forming ...
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Common terms and phrases
absolute pitch Accordingly air-column assigned called chords coincides combination-tone complete composite sounds concord consonance and dissonance contains corresponding crest Crown 8vo direction discord dissonance effect English equal temperament exactly fact fcap Fifth fixed follows fork forms of vibration Fourth fundamental tone fundamental-tone give rise harmonium heard Helmholtz Hence human voice instrument intensity inversion length level-line loudness lower Major scale Major Third ment middle 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 present produced prong pulse-length rapid rarefaction reader resonance resonance-boxes result says scale semi-tone shown simple tones single musical stopped pipe string suppose theory tion tonic Tonic Sol-Fa triads trough tube tuning tuning-fork unison ventral segments vibration-fraction vibration-numbers vibrations per second volume wave-form wave-length wires
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