root-mean-square sound pressure

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• root-mean-square — F/A/V Effective sound pressure. (Acoustics) …   Audio and video glossary

• Sound pressure — Sound measurements Sound pressure p, SPL Particle velocity v, SVL Particle displacement ξ Sound intensity I, SIL Sound power Pac Sound power level SWL Sound energy Sound energy d …   Wikipedia

• Sound level meter — Type 1 Sound Level Meter (Shown: Svantek 979) Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft… …   Wikipedia

• Sound — This article is about audible acoustic waves. For other uses, see Sound (disambiguation). In a drum sound is produ …   Wikipedia

• effective sound pressure — Physics. the square root of the mean of the squares of the sound pressures of a sound wave, measured at a given point over a certain time interval. Also called sound pressure. * * * …   Universalium

• effective sound pressure — Physics. the square root of the mean of the squares of the sound pressures of a sound wave, measured at a given point over a certain time interval. Also called sound pressure …   Useful english dictionary

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• decibel — One tenth of a bel; unit for expressing the relative intensity of sound on a logarithmic scale. [L. decimus, tenth, + bel] * * * deci·bel des ə bəl, .bel n 1 a) a unit for expressing the ratio of two amounts of electric or acoustic signal power… …   Medical dictionary

• Underwater acoustics — The field of underwater acoustics is closely related to a number of other fields of acoustic study, including sonar, transduction, acoustic signal processing, acoustical oceanography, bioacoustics, and physical acoustics.HistoryUnderwater sound… …   Wikipedia

• Audio power — Sound measurements Sound pressure p, SPL Particle velocity v, SVL Particle displacement ξ Sound intensity I, SIL Sound power Pac Sound power level SWL Sound energy Sound energy density …   Wikipedia

• gas — gasless, adj. /gas/, n., pl. gases, v., gassed, gassing. n. 1. Physics. a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid. 2. any such fluid or mixture of fluids. 3. any… …   Universalium