impact sound index

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• 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 transmission class — (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the USA, it is widely used to rate interior partitions, ceilings/floors, doors, windows and exterior wall configurations (see ASTM International… …   Wikipedia

• Sound effect — For the album by The Jam, see Sound Affects. Sound effects or audio effects are artificially created or enhanced sounds, or sound processes used to emphasize artistic or other content of films, television shows, live performance, animation, video …   Wikipedia

• Puget Sound environmental issues — articleissues POV = December 2007 copyedit = January 2007 citationstyle = October 2008The environmental health of Puget Sound, Washington has a diverse and complex history related to a long, involved relationship with marine and freshwater… …   Wikipedia

• Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… …   Wikipedia

• Environmental impact of wind power — Livestock ignore wind turbines,[1] and continue to graze as they did before wind turbines were installed. Compared to the environmental impact of traditional energy sources, the environmental impact of wind power is relatively minor. Wind power… …   Wikipedia

• Long Island Sound — is an estuary of the Atlantic Ocean and various rivers in the United States that lies between the coast of Connecticut to the north and Long Island, New York to the south. The mouth of the Connecticut River at Old Saybrook, Connecticut empties… …   Wikipedia

• Doubtful Sound — Typical view of the Doubtful Sound. Doubtful Sounds Shelter Isl …   Wikipedia

• Cultural impact of the Guitar Hero series — Guitar Hero, which has expanded to include drums and vocals in addition to lead and bass guitar, has become a popular activity and has had a significant impact across several different industries. Guitar Hero is a series of rhythm video games… …   Wikipedia

• Balaklava (album) — Infobox Album Name = Balaklava Type = Album Artist = Pearls Before Swine Background = lightsteelblue Released = 1968 Recorded = Genre = Psych folk, folk rock Length = 29:49 Label = ESP Disk ESSP 1075 Producer =… …   Wikipedia

• Washington Square (Bellevue, WA) — Washington Square is a convert|10.5|acre|m2|sing=on mixed use neighborhood currently under construction in downtown Bellevue, Washington. Developed by Wasatch Development Associates and designed by architect Collins Woerman, the project, also… …   Wikipedia