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reference sound

См. также в других словарях:

  • 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 power — Sound measurementsSound power or acoustic power P ac is a measure of sonic energy E per time t unit.It is measured in watts, or sound intensity I times area A ::P {mathrm{acoustic = I cdot AThe measure of a ratio of two sound powers is:L… …   Wikipedia

  • Sound intensity level — or acoustic intensity level is a logarithmic measure of the sound intensity in comparison to the reference level of 0 dB (decibels).The measure of a ratio of two sound intensities is:L mathrm{J}=10, log {10}left(frac{J 1}{J 0} ight) mathrm{dB}… …   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

  • Sound energy density level — The sound energy density level gives the ratio of a sound incidence as a sound energy value in comparison to a reference level of 0 dB (DIN 45630). It is a logarithmic measure of the ratio of two sound energy densities. Definition The sound… …   Wikipedia

  • Sound power level — or acoustic power level is a logarithmic measure of the sound power in comparison to a specified reference level.The sound power level of a signal with sound power W is [ [http://hep.physics.indiana.edu/ rickv/Sound intensity.html Sound Power,… …   Wikipedia

  • Sound-system — Au sens strict, le terme sound system (en français « système de sonorisation ») désigne le matériel de sonorisation utilisé lors d une fête. Par extension, il désigne également le groupe d organisateurs de soirées mettant ce matériel à… …   Wikipédia en Français

  • Sound System — Au sens strict, le terme sound system (en français « système de sonorisation ») désigne le matériel de sonorisation utilisé lors d une fête. Par extension, il désigne également le groupe d organisateurs de soirées mettant ce matériel à… …   Wikipédia en Français

  • Sound card — A Sound Blaster Live! Value card, a typical (circa 2000) PCI sound card. Connects to Motherboard via one of: PCI ISA USB IEEE 139 …   Wikipedia

  • Sound change — includes any processes of language change that affect pronunciation (phonetic change) or sound system structures (phonological change). Sound change can consist of the replacement of one speech sound (or, more generally, one phonetic feature) by… …   Wikipedia

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