THE SCIENCE AND APPLICATIONS OF ACOUSTICS - H. H. Arnold ...

Index 655Multichannel sound systems, 576–577Multijet diffuser, 394Music, 509musical instruments and, 509–565pitch for, 2Musical acoustics, 509Musical Instrument Digital Interface(MIDI), 561–562Musical instruments, 1–2, 521–565electrical and electronic instruments, 521,522, 556–561frequency ranges of, 565music and, 509–565percussion instruments, 521, 522, 553–556strings, 521, 522, 522–536wind instruments, 521, 522, 536–552Musical notation, 510–513Musical notes, duration of, 513–516Musical staff, 510, 511Narrow band analyzers, 192NASTRAN finite element program, 610National Environmental Policy Act of 1969, 319Near field effect, 62Nematic crystals, 496Neutral axis, 100Newton, Isaac, 5Nobel Prize, 6, 9, 10, 213, 496Nodes, 77true, 106Noise, 15environmental, performance indices for,55–57perception of, 323–325vibration and, 585white, 228, 615Noise and number index (NNI), 334–335Noise bandwidth factor (NBF), 197Noise barriers, 310–316Noise controlactive, 404–405criteria and regulations for, 319–352Noise Control Act of 1972, 320–321Noise criteria, indoor, 325–329Noise criterion curves, 325–326Noise dosimeter, 187–189Noise exposure forecast (NEF), 334Noise insulation ratings, 296–300Noise level, effective perceived (EPNL),324–325Noise-limited range, 433Noise measurement, band pass filters and,189–193Noise measurement error, 199–200Noise rating curves, 323Noise reduction in duct systems, 167Noise reduction of walls, 300–304Noise source sound power, estimation of,358–359Noise sources in workplace, 357–358Noisiness index, 323Nonlinear acoustics, 617–626Nonlinearity in solids, 625–626Normal force, 23Normalized impedance, 133Note values, 515Noy N (unit), 323Nyquist frequency, 195Oboe, 546Ocarina, 539Occupational Safety and Health Act of 1970,321–323Occupational Safety and Health Administration(OSHA), 321–322Octave, 2, 510Octave band analyzer, 191Octave bands, 45–47one-third, 46–47Odontocetes, 237–238Office of Noise Abatement and Control(ONAC), 320Ohm, Simon, 5Olson, Harry F., 9Omnidirectional microphone, 178One-third octave bands, 46–47Open-circuit response, 426Open-ended pipes, 134–136Opera houses, design of, 262–271Optical interference methods, 483OPTIMA computer program, 344Orchestra, 562–563, 564Orchestra Hall, Chicago, 264Organ, 522, 547–550Organ console, 547Organ of Corti, 216–218Organ pipes, 548–549Otoacoustic emission, 219Outdoor auditoriums, design of, 271–278Oval window, 218Panels, sound transmission through,295–286Particle displacement, 58Particle velocity, 16, 58, 151Partitions, double-panel, 289–292