level of sound

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• 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 localization — refers to a listener s ability to identify the location or origin of a detected sound in direction and distance. It may also refer to the methods in acoustical engineering to simulate the placement of an auditory cue in a virtual 3D space (see… …   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 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 Blaster Audigy — is a sound card series from Creative Technology. It is a PCI add on board for PCs.The Sound Blaster Audigy featured the Audigy processor (EMU10K2), an improved version of the EMU10K1 processor that shipped with the Sound Blaster Live!.First… …   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 — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… …   Universalium

• Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… …   Universalium

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

• Sound Reduction Index — This article needs to be created. Key words: * Sound Reduction Index. * Difference Level * Standardized Difference Level * Normalized Difference Level. * ISO 140 * Building Regulations * Acoustics * Sound Insulation.Draft Article:References*… …   Wikipedia

• Sound intensity — The sound intensity, I , (acoustic intensity) is defined as the sound power Pac per unit area A . The usual context is the noise measurement of sound intensity in the air at a listener s location. For instantaneous acoustic pressure p inst( t )… …   Wikipedia