sound power source

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• 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 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 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

• Power FM — Infobox Radio station name = 103.2 Power FM area = South Hampshire airdate = 4 December 1988 frequency = 103.2 MHz FM share = 7.0% share as of = September 2007 share source = [http://www.rajar.co.uk/listening/quarterly listening.php] format = CHR …   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

• Power cord — For a musical interval played on an electric guitar, see Power chord. A power cord, line cord, or mains cable is a cable that temporarily connects an appliance to the mains electricity supply via a wall socket or extension cord. The terms are… …   Wikipedia

• Power Chamber — The Power Chamber, and, before hand, the Command Center, were the fictional headquarters for the Power Rangers in the television series Mighty Morphin Power Rangers and its sequels up to .Initially, the base was called the Command Center, and… …   Wikipedia

• 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 recording and reproduction — Sound recorder redirects here. For the audio recording program computer software, see Sound Recorder (Windows). Sound recording and reproduction is an electrical or mechanical inscription and re creation of sound waves, such as spoken voice,… …   Wikipedia

• Power Rangers (Mighty Morph'n) — Power Rangers (Mighty Morphin) Mighty Morph n Power Rangers Titre original Mighty Morphin Power Rangers Autres titres francophones Power Rangers Genre Action, fantastique, Sentai Créateur(s) Haim Saban Production Saban Entertainment Pays… …   Wikipédia en Français

• Power Rangers (serie televisee) — Power Rangers (Mighty Morphin) Mighty Morph n Power Rangers Titre original Mighty Morphin Power Rangers Autres titres francophones Power Rangers Genre Action, fantastique, Sentai Créateur(s) Haim Saban Production Saban Entertainment Pays… …   Wikipédia en Français