Sound and Music: A Non-mathematical Treatise on the Physical Constitution of Musical Sounds and Harmony, Including the Chief Acoustical Discoveries of Professor HelmholtzJohnson Reprint Corporation, 1967 - 219 páginas |
Dentro del libro
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Página 40
... increase of pressure is accom- panied by an increase of density , due to the com- pression of the air on the right of the piston . Hence increase of pressure accompanies increase of density . If , as in ( 3 ) , we reverse 40 [ I. § 20 ...
... increase of pressure is accom- panied by an increase of density , due to the com- pression of the air on the right of the piston . Hence increase of pressure accompanies increase of density . If , as in ( 3 ) , we reverse 40 [ I. § 20 ...
Página 73
... increase of density is accompanied by an increase of pressure ; its diminution by a diminution of pressure [ § 20 ] . cease . Fig . 21 A Let A , Fig . 21 , be the sounding - fork , B that whose vibrations are to be excited by resonance ...
... increase of density is accompanied by an increase of pressure ; its diminution by a diminution of pressure [ § 20 ] . cease . Fig . 21 A Let A , Fig . 21 , be the sounding - fork , B that whose vibrations are to be excited by resonance ...
Página 92
... increases very rapidly as we take more partial - tones together . Thus a clang of four tones will produce 15 sounds of ... increase , or diminu- tion , of loudness , on the part of a single constituent tone , is enough to produce a ...
... increases very rapidly as we take more partial - tones together . Thus a clang of four tones will produce 15 sounds of ... increase , or diminu- tion , of loudness , on the part of a single constituent tone , is enough to produce a ...
Contenido
CHAPTER | 1 |
and time of vibration 8Periodic vibrations SS 9 10Form | 22 |
Musical and nonmusical Sounds 23 | 46 |
Derechos de autor | |
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Sound and Music: An Elementary Treatise on the Physical Constitution of ... Sedley Taylor Sin vista previa disponible - 2016 |
Términos y frases comunes
absolute pitch Accordingly air-column amplitude assigned chords clarionet coincides combination-tone complete vibration composite sounds concord consonance and dissonance corresponding crest discord dissonance distance drop drop-vibration effect equal intervals equal waves Fifth figure fixed follows fork forms of vibration Fourth fundamental tone give rise harmonium heard Helmholtz Hence horizontal human voice instrument intensity inversion length level-line loudness lower Major Third ment Minor Seventh Minor Sixth mode of vibration motion moving musical sound nodes obtained occupied octave open pipe oscillation overtones pair partial-tones particle pendulum pianoforte piston pitch pressure produced prong pulse of condensation pulse-length rapid rate of vibration resonance result scale simple tones single musical stopped pipe straight line string suppose swing timbre tion tonic Tonic Sol-Fa traversing triads trough tube tuning tuning-fork unison velocity ventral segments vertical vibration-fraction vibration-numbers vibrations per second wave-form wave-length wires