Sound and Music: a Non-mathematical Treatise on the Physical Constitution of Musical Sounds and Harmony: Including the Chief Acoustical Discoveries of Professor HelmholtzMacmillan and Company, 1873 - 219 páginas |
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absolute pitch Accordingly air-column amplitude assigned beats per second chords clarionet coincides combination-tone complete vibration composite sounds concord consonance and dissonance corresponding crest discord dissonance distance effect equal temperament equal waves 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 Third ment Minor Seventh Minor Sixth mode of vibration motion musical sound nodes obtained octave open pipe oscillation overtones pair particle pendulum pianoforte piston pitch pressure produced prong pulse of condensation pulse-length rapid rarefaction rate of vibration reed-clang resonance resonance-boxes result scale semi-tone shown simple tones simple-tones single musical stopped pipe string suppose swing timbre tion tonic Tonic Sol-Fa traversing triads trough tube tuning tuning-fork unison ventral segments vibration-fraction vibration-numbers vibrations per second wave-length whole tone wires