Noise and Vibration ControlLeo Leroy Beranek |
Contents
The Behavior of Sound Waves P A Franken 1 | 1 |
Levels Decibels and Spectra L L Beranek | 25 |
Sound and Vibration Transducers E A Starr | 45 |
Copyright | |
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Common terms and phrases
absorption acoustic angle approximately assumed attenuation average band bending blanket calculated coefficient consider constant curve damping density depends determined direction distance duct effects energy equal equation example excitation field filter flow force frequency function given impedance incidence increases layer length less limit loss factor lower mass material mean measured mechanical microphone modes muffler N/m² noise noise level normal obtained occur panel period pipe plate position practical pressure produced propagation radiated range ratio reduced reflection region relative resistance resonance response reverberant shown shows signal slab sound sound field sound wave sound-pressure level space spectrum speed stiffness structure surface Table temperature thickness tion transmission loss traveling tube unit usually velocity vibration wall watts wave wavelength weight