Vibration and Sound (International Series in Physics)

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So, this website focus principal excerpts of a graduate degree physics thesis on a model of pianoforte mechanical functionement. Figure 3a: A thick piece of 705 mounted across a corner is effective to fairly low frequencies. Wisniewski's Colors of noise FAQ at:- http://capella.dur.ac.uk/doug/noisecols13.txt ------------------------------------------------------------- ------------------------------------------------------------- 7] INDEX ----- A-weighting 2.4 2.12 8.1 absorption coefficient 4.1 4.2 accelerometer 3.1 acoustic energy 2.1 2.8 2.10 4.1 4.3 Acoustical Society of America 2.4 http://asa.aip.org/ active noise control 6.1 active vibration control 3.3 addition of sound 2.5 air absorption 2.9 ANC 6.1 atmospheric attenuation 2.9 atmospheric pressure 2.1 2.11 audibility 2.1 2.12 column speaker 6.3 concert pitch 6.6 dB(A) 2.4 8.1 decibel (dB) 2.2 2.3 2.4 Doppler effect 6.10 dynamic vibration absorber 3.3 ear 2.1 2.2 2.6 2.7 http://oto.wustl.edu/cochlea/ elastic structures 6.9 equal temperament 6.6 6.7 equivalent continuous sound level 2.4 focusing sound 6.3 frequency 2.1 2.4 2.12 6.6 6.7 hearing conservation 2.7 http://www.globaldialog.com/~nhca/index.html hearing damage 2.6 2.7 Helmholtz resonator 6.5 historical notes 2.4 2.12 insulation 4.3 4.4 4.5 interference 6.3 interval (music) 6.6 6.7 inverse square law 2.9 just intonation 6.7 Leq 2.4 logarithmic scale 2.2 2.3 loudness 2.1 2.2 2.12 loudspeaker 2.1 6.3 longitudinal wave 2.1 Lw 2.10 major and minor keys 6.7 masking 2.12 mel 6.6 musical scale 6.6 6.7 ocean sound velocity 2.11 octave 6.6 6.11 pascal 2.1 2.2 2.8 passive noise control 6.1 6.5 peak level 2.3 phon 2.12 physical constants http://physics.nist.gov/PhysRefData/contents.html Pierce, George W 2.4 pink noise 6.11 pitch 6.6 6.8 resonance 6.5 6.8 reverberation time 4.1 Sabine, Wallace C 4.1 semitone 6.6 6.7 sone 2.12 sonic boom 6.2 sonoluminescence 6.4 sound 2.1 sound absorption 4.1 4.2 4.3 sound cancellation 6.1 sound decay 2.9 sound insulation 4.3 4.4 4.5 sound intensity 2.2 2.8 sound intensity meter 2.8 sound level 2.4 2.5 2.12 sound level meter 2.3 2.4 2.8 2.12 sound power level 2.10 sound pressure 2.1 2.2 sound pressure level 2.3 2.4 2.5 speech 6.6 6.8 speaker 2.1 6.3 speed of sound 2.1 2.11 6.8 6.10 structural acoustics 6.9 supersonic 6.2 tapping machine 4.4 third-octave band 6.11 tinnitus 2.6 2.7 ultrasound 2.9 ultrasound scans 2.7 velocity of sound 2.1 2.11 6.8 6.10 vibration 2.1 2.7 3.1,3.2 vibration control 3.3 voice 6.6 6.8 wave 2.1 weighting 2.4 2.12 8.1 white finger 2.7 white noise 6.11 ------------------------------------------------------------- ------------------------------------------------------------- 8] Various Tables -------------- 8.1 A weighting can be found from the following formulae For A-weighting: A(f) = 12200^2 f^4 ------------------------------------------------------------------ (f^2 +20.6^2) (f^2 +12200^2) (f^2 +107.7^2)^0.5 (f^2 +737.9^2)^0.5 The weighting in dB relative to 1000Hz is now given by A(f) 20 lg ------- note: A(1000) = 0.794 A(1000) In tables, octave and third-octave frequencies are given as nominal values, for example 1250 Hz or 2500 Hz.

Pages: 351

Publisher: McGraw-Hill Book Company, Inc.; 1st edition (January 1, 1936)

ISBN: B0010XUYK2

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